Insufflate

To snort something (cocaine, MDMA, etc), but when cops are watching and you want to hide what you're doing with flowery latinate language so as to prevent them from realising what you're doing.

Benny G: You dawg lets snort this 8 ball ay
Little A: Oi nah I don't reckon. Coppers over there yonder are watching
Benny G (Loudly): Mayyyyyte lets insufflate this rn yo
Little A: Good one benny