hanky-pank noun 3verb 1forms 3 noun3 •(slang) A carnival game which guarantees a winner.That means if you book a couple of games of hanky pank, I'll allow you to book an alibi with them so if the kids win something we will rip off dad, that seems fair. — 1981 •Synonym of hanky-panky.He was interested at once, and also at once made proclamation that all such performances were "hanky-pank," and that he could duplicate any of them. — 1920 •A nonce word.... him that that was none of his dad-blamed hanky-pank business, although I ached to tell him that and several other things. — 1906 verb1 •To engage in hanky-panky.A man who hated communism and never "hanky-panked" with his secretary despite her "God- given beauty." — 1990 formshanky-panked · hanky-panking · hanky-panks