Crotch Ferret Share definition Flag The bulge of fat on the crotch of an obese person. Dude, your mom needs to get rid of that crotch ferret. I bet she hasn't got any for like, 10 years. Crotch Ferret by Masmai April 25, 2009 0 0 Get merch Get the Crotch Ferret mug. Buy Now — $32.95 See more merch