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1) Person who wears a skin tight T-Shirt, usually cocky and/or overweight.

2) Wearing a T-Shirt from your childhood
Nick: Isn't that the shirt you wore in 7th grade?
Stinkbutt Williams: Yeah, but it makes me look jacked.
Nick: Change it up man, you're acting like a T-Skinner.
by StinkButtWilliams November 30, 2013
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