Bubba made a $20 wienie wagger(sic) that he could blowtorch his pubic hair off with a bottle of mapp gas before he went in to get his vasectomy hoping to avoid having to shave and to help pay for the procedure...little knowing that his friends would have paid for the entire cost of the operation to ensure he never bred.
A "sexually" transmitted disease which can only be caught by sitting on the seat of a wagon that someone who already has fish wagon has sat upon.
Characterized by foul odour and a tendency to develop tentacles
Also used as an insult.
"Guys, I think I've got the fish wagon... I knew I should have used that protective wagon-seat cover."