Green’s Dictionary of Slang

turbo n.

[SE turbo-charged]

1. (drugs) crack cocaine and marijuana smoked together.

1993
19931994199519961997199819992000
2001
[US]E. Richards Cocaine True 79: I blow a lot of it smoking turbos.
[US]ONDCP Street Terms 21: Turbo — Marijuana and crack.

2. (US campus) a very energetic, ‘speedy’ person; as adj., slightly crazy.

1994
199419951996199719981999
a.2000
[US]J. Wambaugh Finnegan’s Week 212: Kin we jist have our shooters, dude? Kin we do that without you goin turbo?
[US]Da Bomb 🌐 30: Turbo; A person who moves or talks too quickly.