The combination of the words weed and booger. A wooger is a chunk of weed that gets in your mouth when smoking joints and blunts. They usually more resin than plant.
n. 1) One, who while in the bath tub, flatulates; then proceeds to bite at the bubbles. 2) Slang. Name for anyone who does/says something incredibly stupid.
See also, Clint #'s 1, 2, 6, & 8.
Person1 "Did you see Clint dive off of that house into that empty swimming pool?"
Person2 "Yeah, what a gnarffe-whonger!"