Top definition
Tatty Tuesday is the art of the appreciation of the all mighty vegetable, the potato. Apon every Tuesday one can enjoy the many different ways to consume potato wether that be: Jacket, mashed, boiled, roasted or baked.

Or

Tatty Tuesday can also be when you spot a woman with rather large breasts and it happens to be a Tuesday. Thus making it a Tatty Tuesday.
This jacket potato tastes amazing, thank god for Tatty Tuesday!

Or

Wow Patrik look at that girls tattys over there! Thank od for TATTY TUESDAY!!!!
by deern July 13, 2016
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