a hairy fatty corpusal thats grows on the nipple of black men at night, that whisper sexual things in your ear at night.
scientists say that if you wake up with a fluffalump on your nipple immeditaly purchase a bluebajew at your local mcdonalds and rub it gently on your nipple untill it goes away...hopefully
what you say when nervous, in trouble, or have just done somethingseriously stupid. Also can be substituted for cuss words, and person witnessing others stupidity can call flubumpst, like calling them a dumbass.
"what the flubumpst?" person 1 "Hey man, your fly is undone." person 2 "aww shit." person 3 "flubumpst." shit damn fuck dumbass idiot