hanky-pank

Etymology
Clipping of hanky-panky

Noun

 * 1)  A carnival game which guarantees a winner.
 * 1)  A carnival game which guarantees a winner.
 * 1)  A carnival game which guarantees a winner.
 * 1)  A carnival game which guarantees a winner.
 * 1)  A carnival game which guarantees a winner.
 * 1)  A carnival game which guarantees a winner.

Verb

 * 1) To engage in hanky-panky.