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.
by inandaroundyourmouth February 03, 2010
There's no reason why a sane person would ever put mayonnaise in their pockets, he is a certifiable jackaloon.
by gtrslayer284 March 12, 2019
by Senkan September 26, 2008