When everything is good about a girl except her tits (but her tits) hence the buttertits.
Johnny: Dayum, that girl is fuckin hot!
Joe: No man, check it out, she's a major buttertits.
Johnny: Ah, shit man. She's got that smokin hiny, perfect face, too bad she's as flat as a piece of paper.
by gorillaguy987 May 26, 2009
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a woman whose only redeeming quality is her breasts.
What do you think of my new girl? Damn Jimmy, she is fugly buttertits are fucking awesome.
by jotthedot May 9, 2008
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What a girthy man is said to have when his breasts bear the physical properties of warm butter.
Holy fuckballs! Look at the buttertits on that motherfucker! HEY YOU NEED TO GET ON A TREADMILL AND MELT AWAY THOSE BUTTERTITS!!!
by TheJuan&Only July 30, 2010
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But-her-tits.

Refers to a girl who is fat and ugly; however, has really huge titties.

see butterface
Guy 1: that girl is so ugly, and to top it off, she's extremely fat.
Guy 2: Yeah, but her boobs are nice.
Guy 1: what a buttertit.
by forthelulzzz987654 April 19, 2010
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