Hey Gino, that new kid looks awfully tan. You think he is a halfsie? Antnee, you know his moms a shine, he’s a halfsie for sure.
by Joe bananas August 18, 2021

by Dushtie January 09, 2008

"Dude, did you see that chick? I think she had a dick!"
"Yeah dude, Halfsie - upper half woman, bottom half dude"
"Yeah dude, Halfsie - upper half woman, bottom half dude"
by WiggityX January 27, 2009

by So Mach May 09, 2006

by pavistroni July 26, 2007

a partially erect penis that occurs typically when the owner is aroused by something they should probably not be aroused by or in other inopportune situations.
Armando is inappropriately and uncontrollably partially aroused by his room mate. He now has a halfsie.
by hardguy January 09, 2010

Person # 1: Hey! Where are you from?
Person # 2: I'm half British and half Indian
Person # 1: Oh so you're a halfsie? That's cool!
buy halfsie mugs & shirts
Person # 2: I'm half British and half Indian
Person # 1: Oh so you're a halfsie? That's cool!
buy halfsie mugs & shirts
by kurryma August 26, 2013
