keg troll 

A nasty girl (ie. busted face, bloated midriff etc...) who goes to parties, waits till normally self-respecting guys get drunk, and attempts to hook up with them.

Oh dude, watch out for karen, she's a KEG TROLL and she's on the prowl!

keg troll by rick March 28, 2005

kegtroll 

Nasty girl who waits at parties till everyone is drunk then she will get with them.

Nick's sister was a totally kegtroll last night at the party.

kegtroll by austin Heron May 4, 2006