Personalized Funny Birthday Shirt for Him – I Don't Know How To Act My Age
- Live preview — what you see is what we print
- Made to order, just for you
- Free reprint or full refund if it arrives damaged — see policy
Shipping & Returns
- Order placedNov 3
- Order shipsNov 6 – Nov 10
- DeliveredNov 12 – Nov 19
- Production: 3–5 business days. Standard shipping to United States: 4–7 business days after it ships; other destinations are listed in the shipping policy.
- Standard shipping to United States: $7.99 + $2.00 each extra item.
- Need a change? Orders can be modified within 2 hours after being placed.
- Damaged, misprinted or wrong item? Tell us within 30 days of delivery for a free reprint or full refund.
- Canvas, posters and metal signs can't be delivered to PO boxes.
Shipping policyReplacement & Refund policyCancellation & Modification
Description
This personalized funny birthday shirt pokes fun at getting older with a line every grown man understands: "I Don't Know How To Act My Age, I've Never Been This Old Before." It turns another trip around the sun into a joke the whole room can share.
It suits a dad, grandpa or husband who laughs at his own birthdays. It also works as a treat for yourself, or as a light-hearted gift for a retirement party or a family get-together.
Make it his by choosing the shirt color and size, picking one of two layouts, and adding the year you want on it.
Product Details
- 100% cotton (99% for ash/grey colors)
- Decoration type: Digital Print
How personalization works
Choose your product
- Color: Black, Navy, Forest Green, White, Sport Grey, Light Pink
- Size: S, M, L, XL, 2XL, 3XL
Pick the layout
- Template: 2 layouts to choose from
Make it yours
- Year: up to 4 characters
Preview and order
- Check the live preview; tap the photos to see the finished product.
- We print your design exactly as previewed, made to order.
Good to know
How long can the year be? Up to 4 characters. Letters, numbers and most symbols print as typed.
Can I upload a photo? This design is personalized with the choices and text above; it does not take a photo.
Will it look like the preview? Yes. The live preview is drawn from the same file we print, so names, characters and colors come out as you set them.








