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Underwear for women, kinda like panties but it is cut from the back and you can see some booty
damn look at that ass hanging out, she wearing boy cut briefs.
by Mr.X March 08, 2005
A boy cut is a girl with really short hair. Like a boy. Hence, Boy cut!
Omg, look at how short her hair is!

I know, she went and got a boy-cut on Tuesday.
by No-body! Ha! June 04, 2007
Lingerie or panties that show your ass cheeks,usualy girls wear them.
damn her ass is hanging out of the panties love those boy cut briefs
by DX March 08, 2005