A term used to describe someone who acts like a complete
ass clown on the golf course; Someone who disregards the status quo and significantly lacks
maturity, taking it to a
whole new level; Often times used in parallel with a jagaloon.
"I was teeing off on #9 the other
day and I completely duffed it when I
heard a group of guys being
obnoxious on the course. God these Birdaloons need to keep it down!"