Acronym for "Fat Upper Dick Section"; the roll of fat one develops above the dick, below the gut. Often wedged into tight pants due to the fact that the owner of a FUDS doesn't realize how rapidly fat they're becoming. Commonly seen in men who disregard their health entirely. See also fupaand gunt.
The boss is so fat, I don't know how he gets his FUDS to fit into those jeans. His zipper looks like it's about to give way!
Brian actually had to lift up his FUDS in order to fuck his unsatisfied wife.
The stripper had no issue with sitting on his FUDS as long as he had twenties and didn't lick her ass.