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: "...