Munch Train

During group sex; each woman performs oral sex on the next woman in a consecutive manner.

Would you like to be part of a munch train with me and my friends?

Train Munching

Name for a male that goes down on a famale after she's been trained, and has another guys "juices" inside her.

Damn dude! Why would you be train munching on the girl who just finished out a three some in the next room an hour ago?

(Yuck)