A sex game.

Passing cum from person to person in such a way that the amount of cum increases.

Dejagoo is the strange feeling that you've been in this sticky situation before. It is dejavu due to goo. Usual symptoms are shivers down once's spine followed by disgust, especially if actual goo is involved.

A very kinky sexual game when after someone has had sperm ejaculated into their mouth they hold it orally rather than spitting or swallowing, then french-kiss with their partner. It can also apply with two guys or a group with at least one guy involved (no duh).

When an advantage causes that advantage to grow increasingly larger, typically with no hope of stopping it.

after a woman performs oral sex on a man and than spits his cum into another womans mouth.

when a man cums into a females mouth and then she spits it into the mans mouth

Taking your man's cum in your mouth and not swallowing or spitting and deep kissing your man and letting him take some of his own cum back.