gas pedal

When you put your mouth to someone's butthole, step on their foot causing them to fart, and then inhaling the gas.

She was a freak man! She let me gas pedal her.

lay groundwork

when a guy or a girl starts a conversation with the purpose of getting a phone number or getting laid.

Guy: i think you should come here more often
Girl: hahaha i will
guys friend: ayyye nice way to lay groundwork

pink finger

When you fart on your own finger the poke somebody in the eye causing them to get pink eye

Victor: what happened? your eye is swollen.
Keith: Nick gave me the pink finger