titwank🔊nounEtymology From tit + wank.1Slang, Vulgar An act of masturbating the penis between one's breasts.2UK, Slang, Vulgar A foolish or objectionable person."You ok?" came Euan's voice. Of course not you Titwank! Was the reply I saved for my thoughts only.2011, Vicky Grovenor, The List (page 67)