dumbass 

1. a person at school that is so damn fat and retarded they have conversations in the middle of the hallway and block causing all kinds of student traffic
2. john kerry
3. a hobo i saw that mugged a little child for his happy meal

dumbasses are usually fatasses

dumbass by PlayDohMan October 1, 2004

dumbass 

George W. Bush, 43rd President of the United States

Dumbass was elected president for 2 terms

dumbass by TVA September 7, 2006

dumbass 

someone whose ass does not speak.
They are very refined and unable to pass gas.

Queen elizabeth II is a dumbass

dumbass by ass face October 27, 2003

dumbass 

meaning a lot or too much or very.

My car speaker got dumbass slap .

(a lot of)

Those sneaker are dumbass clean .

(Very)

dumbass by Jizzo Fortanel July 20, 2009

dumbass 

90% of the people who post on this site

I can't believe that any dumbass can post whatever they want

dumbass by antihate July 5, 2003

dumbass 

One who stays up until 2 a.m. drinking beer with his friends on a work night!
Often associated with deep and prophetic conversations on life and waking up with the taste of monkey caca in your mouth.

Sing. I am too old to behave like such a dumbass.
Pl. I can’t believe we can still act like such dumbasses.

dumbass by Trevor Clere October 4, 2005

Dumbass 

1.Someone retarted
2.Arrogant
3.Stupid
Meaning he/she does'nt make sense or understand anything.Does stupid things and thinks they are right.Won't listen or except the truth.

Devin:"Dude, stop touching me."
Austin:"Why?I'm not touching you!"
Devin:"Stop being so fucking annoying."
Austin:"Poke!Poke!Po-"
Devin:"Leave me alone, faggot!!!"
Teacher:"Excuse me!"
Devin:"He's being such a dumbass!"

Dumbass by Trent Frost April 22, 2009