Acadecca

An exclamation, acting as a warning that an officer of the law is in close proximity. Used at public events, such as concerts and sports events, when a group is consuming alcohol or smoking marijuana or other illegal substances.

*Moe, Larry and Curly are at a concert. Moe and Larry are smoking weed, Curly notices a security officer nearby.*

Curly: "ACADECCA!"

*Moe hides the joint*