an occupant of a boat or other aquatic vessel who doesn't own, rent or otherwise have permission to use it.
"When I grow up, I want to be an aquasquatter. It's so much more posh than being an urban squatter."
by Dr. Clutterbuck March 19, 2011
Residents of the Las Vegas area who collect hotel room card-keys from departing guests and use them to gain access to the hotel swimming pools.
by beadman August 11, 2008