hanky-panky

noun4

1. •
   Mischievous behaviour; dishonest or shady activity.

   • I think there was some hanky-panky with the last election.
2. •
   (informal) Amorous behaviour, making out, necking, sex or other sexual activity, especially if illicit.

   • I don't wanna cry / I just wanna hanky panky / Nothing like a good spanky — 1990
3. •
   (informal) A debaucherous act; a sexual act that is considered inappropriate.
4. •
   A cocktail made from gin, sweet vermouth, and Fernet-Branca fernet.