Gentsch fuck Share definition Flag 1. A term used to describe fucking a very unattractive girl. 2. One step above a drunk fuck Dude I Gentsch fucked this girl I wish I had higher standards. Gentsch fuck by Gentsch's Room mates September 24, 2007 0 0 Get merch Get the Gentsch fuck mug. Buy Now — $32.95 See more merch