a wierd smelly kid who has a tendency of pissing on the bathroom walls as if he is putting out some sort of fire
"hey man why did you have to go all fireman in the bathroom, your such a wall pisser"
by lhkb September 08, 2008
Someone who is interested in another person and proceeds to comment on their Facebook wall in order to mark their territory.
He became Tara's new wallpisser by commenting on her Facebook wall including her status, pictures, and links.
by WVU girl March 26, 2010