fuchchuck Share definition Flag To have sex with a person and never call/speak to them again! ConCon: whoa that girls fit! Danny: why don't you ask her out man?ConCon: nah she looks like a good fuchchuck though! fuchchuck by ConCon67 March 31, 2009 0 0 Get merch Get the fuchchuck mug. Buy Now — $32.95 See more merch