Mac Machine

Philadelphia area colloquialism for ATM, ass to mouth (fellatio performed immediately after anal sex)

That dirty slut was crazy, she's into Mac machines!

X-ray machine

An electromagnetic machine.

The X-Ray machine shows your bones in your body.

dance machine

purple kiss. just purple kiss.

purple kiss are such dance machines, they’re amazing dancers!!!!

piece machine

Anything that is determine to be a piece.

That's a damn piece machine.

Smoke Machine

When you vape a Juul, Vape pen, or another similar device out of your Girlfriend's asshole whilst eating her out, and blow the vapor into her vagina. When she orgasms, she will then proceed to blow the vapor out of her vagina, similar to the likes of a Smoke Machine.

Dude, I burned my girlfriend's asshole last night doing the smoke machine. She is super pissed at me.