Marinate

To marinate someone is to gain somebody's trust only to take advantage of them at a later point in time. Though the meaning originated from a video game, it is a great all-around term and can/should be applied to many situations.

Example 1: Don't hang around with Joe, he seems like a nice dude but he'll eventually marinate you by asking you to "borrow" some money

Example 2: Yo I just marinated this girl to send me feet pics for this "school assignment" that I'm doing

Marinate

When you are half way through brushing your teeth and you go to pee so you leave your toothbrush in your mouth to marinate your teeth

“Hold on John, I’m in the middle of a quick marinate”

Marinate

"Alternative to having sex" When a guy puts his dick in a chick and just leaves it in there. No motion involved. Just marinating the meat.

"She said she didn't want to go all the way, so I just put it her to marinate."

Marinate

The act of chilling or just hanging out. Can also be used in asking someone to hang out.

Situation 1
Guy 1 : Hey look at that guy.
Guy 2 : What's he doing?
Guy 1 : Looks like he's just marinating.

Situation 2
Guy 1: Hey what are you doing?
Guy 2: Nothing, Why?
Guy 1 : Wanna marinate?
Guy 2: Damn right I do.