Houdini hump

When you catch someone of the opposite sex trying to sneak off without saying goodbye on a night out, so you vigorously dry hump them as a form of pleasure punishment.

I can't believe you were gonna leave without saying goodbye. I'm gonna Houdini hump the shit out of you.

jamstack

When a multitude of participants lather their naked bodies in fruit jam, and lie one on top of another.

I covered myself in strawberry jam and got involved in wild jamstack night.