fonduece Share definition Flag What comes out of you the morning after eating a whole lot of cheese. Also known as a fondump. Dude, I went to this wine and cheese party last night and ate so much cheese that I blew out a fonduece this morning. It was sloppy! fonduece by the comand'r October 5, 2013 0 0 Get merch Get the fonduece mug. Buy Now — $32.95 See more merch