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A nickname for the city Thunder Bay, Ontario.
Guy1: Man, Tbay is so fuckin’ sketchy nowadays.

Guy2: Yeah, especially with Evan Finlayson running around robbing and bear-macing people.
by PussyDestroyer69NoHomo October 03, 2018
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An emo kid who likes to T-Bag in his free time even though he is a male. Also has a wide mouth, or a bay, that is used for making a pool of cum after the bagging.
by SeanKirby October 23, 2007
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