Native American slang use to describe the process of consuming alcohol. Sometimes used to hide your intentions of drinking.
Biz: Are you guys going boiling tonight?
Verlin: Yeah, still a little hungover from last night, but yeah I think so. Biz: Might as well bro!
Biz: Did you lboil last night?
Verlin: You know it bro, went boiling early, I woke up at the How-How (Housing projects) about 3am so Booker T'd (left) that joint!