Mischievous behaviour, dishonest or shady activity.
Amorous behaviour, smooching, making out, necking, sexual intercourse or other sexual activity, especially if illicit.
A debaucherous act; a sexual act that is considered inappropriate.
Deception; misrepresentation of the true nature of an activity.
An indirect or deceptive device or stratagem; a blind. Refers especially to war and diplomatics.