a publicly acceptable way of calling someone a jackass. someone who recently has done something stupid and deserves to be called a jackass, but there are people around that wouldn't appreciate that and so you simply call them a jackaloon.
"Dude what's wrong with your toaster?" "You have to plug it in first you jackaloon."
by inandaroundyourmouth February 03, 2010
Male who is obcest with masturbating.
Your brother is such the jackaloon. He just went back to his bedroom for the 5th time today.
by Senkan September 26, 2008