A fart that thwarts the farter; a noxiousplume of body gas that makes the current situation for the gas passer generally unpleasant, usually occurring in a car, elevator, or bed.
Fwor is a word that is derived from the phonetic sound a guy (and some girls) make when they see something tantilizing, or hot. Usually used when they see an attractive person. It is also used for virtually any other impressive situation imaginable.