Studying botany

To have a cannabis session to oneself.
To get high alone.

Person 1: "So, I was studying botany last night, and then Rachel called like 5 minutes later."
Person 2: "Shit, what'd you fuckin' say?"
Person 1: "I played it cool and told her about the time I got high in an amusement park sky ride."
Person 2: "...

Grabbin' the ghost

Asking your partner to switch hands during a handjob, then hiding one's penis behind/under himself, only to leave their partner confused when they reach to find nothing is there.

Guy 1: You get any play from Rachel last night?
Guy 2: I told her that her right hand was cold, and when she switched up, I had her grabbin' the ghost.
Guy 1: Haha, fuck it, handjobs are boring anyways.