Someone who makes silly, stupid jokes
-Do they know how the murderer looks like?
-Don't worry. No one saw you.
-How funny. You're a real laugh riot.
by Victor Halebski June 15, 2006

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Top Definition
A riot of laughter; something hilarious. Is also frequently used sarcastically.

Not to be confused with any form of actual rioting
#1
Ben: I love Family Guy, that show's a total laughriot

#2
Tony: Yeah, at thanksgiving this year mom made aunt Cathy cry.
Marie: Oh no, that must have been horrible.
Tony: No, it was a freaking laughriot.
by Maria ate my cookie ): November 26, 2008

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To laugh loudly with a group of fucking idiots.
we had a laugh riot while watching that new movie.
by ronald paulson July 21, 2006

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When a bunch of Fucking Idiots sit around laughing and someone of far higher rank does all of their work because he is the only one who does any work, even though there are others who play Mah-Jong all day.
I try to accomplish my job,however, I am forced to do the job of subordinates becaus they are having a fucking laugh riot.
by Joe S. Ragman April 10, 2007

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt