When you get a couple of strokes in but there's no money shot due to an inconvenient location or situation.
Wale: I was gonna fuck this girl, but my roommate had a girl in the room. So we had to go to the bathroom, but it was really cramped and we couldn't finish.

Dr. Dre: Oh so you got the half-body?

Wale: Yeah, pretty much The half-body sometimes can leave you with blue balls though.
by PajamaBoy September 1, 2011
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The official name of zombies in Call of Duty after you throw a grenade and it crawls around like a grandmother without legs, or the bike lady from the first episode of The Walking Dead.
If we make a half-body, we can finally walk freely around the map and find easter eggs and glitches.
by Carlos the Mexican Man April 23, 2016
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