94 Charlie 

possession of marijuana (G. L. c. 94C, § 34);aka code word for the police to scare the shit out of teenage kids

Cop: (Sniff...sniff) You boys smoking dope. Hey Carl, I think we might have a 94 charile
Kid: (In mind)"OH shit im fucked, what the hell is a 94 charlie."

94 Charlie by David Bowie January 26, 2006