look up any word, like sparkle pony:
 
1.
1. The desire of a man or woman to injest seminal fluid in their mouth, ass or pussy.

2. The overwhelming desire to swallow cum.

3. The desire to have a man ejaculate inside of your body.
Michelle is cum thirsty since she wants to have all of those men fill her pussy full of cum every night.
by easyslider January 05, 2013
 
2.
A state of being where an individual wants to have someone nut down their throat.
Every time Kevin gets high on crack, he gets all horned up and starts asking dudes if he can blow them. What a cumthirsty queer.
by new haven October 15, 2009