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1. A person that is being a bastard and knows it.

2. Something/someone that is unpleasant or boring.
"What kind of lame ass shit is this? I'm out, man."
by Meka August 23, 2003
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2
somebody who thinks they are not lame, but clearly are (eg, someone who posts on a DICTIONARY site but can't spell simple words)
"Your" a lameass if you think this isn't "a" excellent example of "some one" who shouldn't be posting on here.
by LaffnStock September 05, 2006
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4
one who has nothing better to do than insult gamers on UrbanDictionary.com
Nicko was such a lameass his mom kicked him out of his own house.
by The Cheese April 16, 2003
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5
an event that was over rated thus letting you down.

someone who never knows when to be quiet and the shit that falls out of their face makes no sense but yet they continue to try and explain their logic...

"I can't believe that my date was such a lame ass"
or
"I'll never watch that lame ass movie again, I should have asked for a refund."
by Amanda777 April 21, 2008
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7
Noun used to describe someone who will not participate in fun times, or someone who tries to derail a sweet prank or adventure. (See wet blanket)

Adjective used to describe something that is not fun, but could have been.
"This lameass is trying to stop us from throwing the old TV off the balcony at the climbing gym."

"What is with the mimes? This is the most lameass party I have ever been to."
by EOCANADA December 03, 2011
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