cheap drunk 

Someone who easily gets drunk. They could have 3 shots of a 40% strength alcohol and they're gone. The person is cheap because they don't have to spend as much money on alcohol to get drunk.

See that midget over there. I bet he's a cheap drunk

cheap drunk by Catch Phrase September 6, 2008

cheap drunk 

When somebody has a few drinks at a party and ends up in the back room having sex with random guys.

I can't believe Sisi is in the back room on a crate waiting to have sex with a group of guys

That's nasty Jerry! Sisi is a cheap drunk!

cheap drunk by Friday13 August 6, 2010