Overthinking Since 1987 Funny Birthday
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$24.95
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$24.95
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Overthinking Since 1987 Funny Birthday
Product description
Celebrate a lifetime of overthinking with this funny “Overthinking Since 1987 – Winging It Since Birth” T-shirt. Featuring a grumpy yellow bird holding a coffee mug, this playful design combines birthday humour, relatable personality and bold vintage-style typography.
Perfect for anyone who runs on caffeine, sarcasm and questionable life decisions. It makes a memorable birthday gift for a friend, partner, sibling, coworker, mum or dad who proudly admits they are still figuring things out.
Funny and relatable birthday design
Ideal gift
Bold, colourful front graphic
Comfortable unisex style
Great for birthdays, casual outfits and everyday humour
Size guide
| LENGTH (inches) | WIDTH (inches) | SLEEVE LENGTH (inches) | |
| S | 28 | 18 | 15 ⅝ |
| M | 29 | 20 | 17 |
| L | 30 | 22 | 18 ½ |
| XL | 31 | 24 | 20 |
| 2XL | 32 | 26 | 21 ½ |
| 3XL | 33 | 28 | 22 ¾ |
| 4XL | 34 | 30 | 24 ¼ |
| 5XL | 35 | 32 | 25 ¼ |
| LENGTH (cm) | WIDTH (cm) | SLEEVE LENGTH (cm) | |
| S | 71.1 | 45.7 | 39.7 |
| M | 73.7 | 50.8 | 43.2 |
| L | 76.2 | 55.9 | 47 |
| XL | 78.7 | 61 | 50.8 |
| 2XL | 81.3 | 66 | 54.6 |
| 3XL | 83.8 | 71.1 | 58 |
| 4XL | 86.4 | 76.2 | 61.5 |
| 5XL | 89 | 81.3 | 64.3 |