"Grumpy? Nah. Just Allergic to Bullsh*t" Vintage Sign T-Shirt
"Grumpy? Nah. Just Allergic to Bullsh*t" Vintage Sign T-Shirt
- Soft cotton with a lived-in feel
- Relaxed fit, easy to wear all day
- All-season comfort
- Vivid, true-to-life print
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Product Details
Product Details
VINTAGE T-SHIRT
- Premium Fabric: Made from 100% US-grown cotton, this tee features medium-weight fabric (5.3 oz/yd² or 180 g/m²) that combines sustainability with durability. The specially spun fibers provide a smooth surface, ensuring vivid and sharp printing.
- Comfort and Fit: The classic fit offers a relaxed and comfortable wear, making it suitable for various occasions—whether casual outings or semi-formal events. The crew neckline adds a timeless touch, ensuring you look polished and put-together.
- No Side Seams: Constructed in one piece using tubular knit, this design reduces fabric waste and enhances the garment's overall appeal.
- Shoulder Tape: Twill tape reinforces the shoulder seams, stabilizing the back of the shirt and preventing stretching for long-lasting wear.
- Ribbed Knit Collar: The collar is made from a highly elastic ribbed knit, retaining its shape while providing comfort without seams to irritate the skin.
- Scratch-Free Experience: The tear-away label ensures no irritation or discomfort, making it easy to wear all day long.
- Care Instructions: Non-chlorine bleach as needed. Do not iron or dry clean. Machine wash cold (max 30°C or 90°F). Tumble dry on low heat.
- Made in the USA: Each tee is manufactured to meet high-quality standards and rigorously quality-checked to ensure you receive the best possible product. This tee is certified by Oeko-Tex for safety and quality assurance, ensuring you wear responsibly sourced materials.
Delivery & Return
Delivery & Return
- Orders are processed in 1–3 business days and delivered in next 3–5 business days.
- You may cancel or edit your order within 6 hours. After that, it goes into production.
- Returns are accepted within 30 days of delivery.
- Refunds are issued within 10 business days after we receive and inspect the item.
- If you have any question or concerns, please contact us at cs@oldmanism.com
Why OLDMANISM
Why OLDMANISM
Oldmanism isn’t just a brand — it’s a companion for your next chapter.
Each cap is proudly made in the USA using premium materials for all-day comfort and years of wear. No shortcuts. No compromises. Just timeless quality that matches the stories you've lived.
We design every piece with care, drawing from close conversations, quiet observations, and heartfelt respect for those who’ve earned their place at the table of experience. Every quote, every stitch carries a message — one of freedom, wit, and pride.
Whether you're newly retired, long past the grind, or simply living life on your own terms — Oldmanism is for you. It’s the only brand built entirely around men who’ve seen enough, done enough, and now choose what really matters.
Fast shipping. American-made craftsmanship. And a message that finally says what you’ve always known:
You’re not getting old — you’re just getting started.
I am not grumpy. I just have a low tolerance for nonsense.
People look at you and think you are in a bad mood. Let them. The truth is, you have reached a point in life where you simply refuse to entertain drama, fake politeness, or long stories that go nowhere. This shirt is your official medical alert. It saves everyone time by setting the ground rules immediately: Be real, be brief, or be gone.

Printed & Shipped from USA: Durable printing that stays bold, just like your attitude.
Premium Soft Cotton: 100% pre-shrunk cotton fabric that feels soft against the skin (unlike your patience for BS).
Relaxed Classic Fit: Cut generously through the chest and waist for unrestricted movement. No tight fits here.
Rugged Construction: Double-needle stitching on sleeves and hem ensures this shirt lasts for years.
Tag-Free Label: No scratching, just pure comfort.
PERFECT GIFT FOR: This is the essential gift for the dad who has heard it all, the grandpa who speaks his mind, or any friend who values honesty over feelings. It is guaranteed to get a laugh (and a lot of space) at the next family gathering or trip to the hardware store.
No filter. No apologies. Just allergic.
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T-Shirts Sizing
Please note that size chart measurements may vary by ±1.5 in (3.8 cm) due to manufacturing tolerances
| Size | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|
| Width | 18.0 | 20.0 | 22.0 | 24.0 | 26.0 | 28.0 | 30.0 | 32.0 |
| Length | 28.0 | 29.0 | 30.0 | 31.0 | 32.0 | 33.0 | 34.0 | 35.0 |
| Sleeve length | 15.1 | 16.5 | 18.0 | 19.5 | 21.0 | 22.4 | 23.7 | 25.0 |
| Size | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|
| Width | 46.0 | 50.8 | 56.0 | 61.0 | 66.0 | 71.1 | 76.2 | 81.3 |
| Length | 71.1 | 73.7 | 76.2 | 79.0 | 81.3 | 84.0 | 86.4 | 89.0 |
| Sleeve length | 38.4 | 42.0 | 45.7 | 49.5 | 53.3 | 57.0 | 60.2 | 63.5 |
The shirt is good quality and the seller extremely pleasant and helpful to deal with.
I love the T shirts i ordered, High quality material and fast shipping. Very nice seller and super fast delivery. What more could anyone ask for! Thank you so much...
Hi there! Thank you for taking the time to leave such a kind review. Our team works hard to provide the best products and service to our customers. Thank you for choosing us! Have a great day.
Had an issue with the order and the seller was really quick to answer and very helpful! Got delivered quickly and the item is great quality.
Material seems comfortable (this is for a gift so haven't tried it). Print job looks as described.
Great shirt. I have used this site before, good quality, and great delivery.
Ordered a total of 5 shirts. My husband wears them out! He is a proud Grumpy!
Hi Margaret, thank you for your review! It's always great to see our customers proudly wearing our products. Thank you for choosing us!
My husband absolutely loves his t-shirt. This is the second order just a different color. Highly recommend
Good quality t-shirt. Size is right and arrived on time
Gave you 5 stars.Looks good, quality t-shirt and right size. What more could you want? Would buy again and also look at the hats.
Hi James! Thank you so much for your 5-star review! We appreciate your support and hope you'll check out our hats as well. Thanks again!
Exactly as pictured. Size appears true. Delivery was fast and easy.
