A comon misspelling of a large continent: Asia.
I'm a freakin' moron becasue I spell Asia as A-I-S-A, Aisa.
by hetza April 14, 2008
1 more definition
A very powerful and loud "kee-ya" derriving from Japanese martial arts. It was once used by a legendary shot-putter on the Athena High School Track and Field Team.
As he put the shot, he yelled out "AISA!"
by Fei Hong Chan III February 01, 2005