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Someone who is constantly in between being classified as fat or regular sized. One day these people look relatively slender, and the next day they look heavy.
Oprah, Rachel Ray, Brittany Spears(2007)

"Do you see that tweaner at the other side of the bar? I can't tell if she's fat or thin from this angle."
by AlexP September 15, 2007
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Sep 9 Word of the Day
the thing that you don’t have when you’re phones percentage is over 20
phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz
by lik_frls_dis.me February 12, 2020
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