Top definition
One who thinks they know-it-all, but couldn't tell you their ass from their elbow.
Some smackass at poker last night was insisting that a three-of-a-kind beats a flush.

That smackass drives a Jeep, but tells everyone he owns a truck.
by wiseguy February 24, 2004
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
-dip shit
-dumbass
-one who did a stupid thing, and now you all fucked
Jake!, you smack ass, you trying to get us caught or something??
by what now? April 15, 2003
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3
(v) to be extremely lazy, refraining from situations that involve energy such as physical activity and or body movement.
(n) one who refuses to do anything benificial with their time
Yo what are you doing man, you tryin to go to the Y?
Na man, i got shit to do. I gotta smackass from at least 12-4. Yeeeahhh
by getoffme January 18, 2005
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6
A person who constantly annoys people either for the fun of it or he/she is just completely stupid knowing that he/she will obviously get in trouble with a painful punishment (Hitting, yelling, scolding, grounding, etc).
"Could you get that little Smack-Ass off of my lawn?", "Keep that Smack-Ass away from me!", "You Smack-Asses are going to get it now!"
by one of yo momma's boyfriends February 14, 2010
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