A person that owns or pretends to own a boat constructed of aluminium. They are usually gay or gayangsters.
"dude - did you see that red aluminium boat down at the ramp on Friday??"
"yeah I saw two guys bumming on it while they were motoring away - one of them must have been the ally boat owner."
"yeah I saw two guys bumming on it while they were motoring away - one of them must have been the ally boat owner."
by GRP owner April 13, 2012