Very stupid; extremely stupid; not having much intelligence.
Little Cindy is hella stupid if she thinks I'm going to pay her $20/hr. for sitting on her ass.
by mikeg.com October 10, 2002
1 more definition
adjective : used to describe one who is a bad person, one who likes to lick camel bootyhole, some who is Cullinaning, or parents that are assholes
"They say I look bad and stupid because I have long hair, they are just hella-stupid."
by Pelolargo February 20, 2003