Idiot. Moron. Room tempeture IQ. Tard.

1.Red Formen says this a lot.

2.An idiot that tries to get himself (or herself) killed.

1)someone who constantly doesn't listen to his family/friends dispite them being right 100% of the time

2)anyone who gets dumped 3 times a week by 3 different dates every single week

3)a person who lies about having 4.0 avg in high school yet still works a barely above minimum wage job at a retail store

4) See Craig

Everyone's right: George W. Bush is a complete, 100%, genuine, Grade-A Dumb-Ass!!
He's the perfect example!! No better definition than that!!!
I've never seen a bigger Dumb-Ass than our very own President George W. "Dumb-Ass" Bush!!
If you voted for him, shame on you!!

Anyone that has prodigious amounts of unprotected sex and actually thinks they don't have (won't ever get) an STD.

n. a species of human with low intelligence

"Dumbass" is a redundant term. An "ass" is a fool and "dumb," of course, means stupid. Hence, "dumbass" means "stupid fool." Is not it more efficient simply to call someone ans "ass?"