An interjection used to connote absolute surprise or shock at the actions of another, often used as a reprimand. Origins are uncertain, but it is sometimes said to be derived from the statement "What the fuck did you do?"
"Fuckadoo, man! Watch where you're pointing that thing next time, would ya?!"
by Anonymous April 19, 2003
A piece of shit person that has had everything handed to them and dont know how to work for themselves.
that odd man over there jimboboowakei his father is very rich and nice but turned his son into a fuckadoo
by imple February 22, 2008