Sit On It Happy Days T-Shirt Size:Medium Sheldon Cooper can be seen

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The Delta's charter was revoked

Sit On It Happy Days T-Shirt Size:Medium Sheldon Cooper can be seenThis Happy Days t shirt features an image of The Fonz sitting on his motorcycle, and the shirt includes the phrase that appeared throughout the Happy Days series, Sit On It. For the entire eleven season run of Happy Days, Fonzie was one of the most popular characters on television. Fonzie was the show's breakout character and liked to talk tough with the phrase that appears on this t shirt! For any fan of Arthur Fonzarelli, this Sit On It Happy Days t