felch monger Share definition Flag A man that sucks the ejaculatory juices out of another man's ass, following a brutal assault in the anus. Leif, your so naughty, get your felch monging head outta my caboose. felch monger by Hot Carl February 19, 2005 0 0 Get merch Get the felch monger mug. Buy Now — $32.95 See more merch