Top Definition
A situation that occurs when a blind date shows up being significantly more overweight than you expected, either based on retouched or outdated photos they have shared, or exaggerated descriptions of themselves as being "athletic and toned" or "average." A highly common occurence among online daters.
"How was your date last night with that lawyer you met online?"

"It was a complete ASSTASTROPHE! I mean she had a cute face, but she had to wedge herself into the chair, and it clung to her butt when she stood up!"
by Minnebarista March 13, 2008

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combining the words “ass” and “catastrophe”, it’s a term for an excessively large, messy, and odorous bowel movement
“Damn! I just had an asstastrophe in the bathroom, you might want to spray some Febreze in there”
by tl77 November 23, 2010

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Your favorite word on a white mug.

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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

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The joyful bliss of one-night stand with one whom you thought was gorgeous, only to later find out to your demise that the one you actually slept with was the beautiful girl's lonely and utterly repulsive Quasimotoesque best friend, clearly a well thought out and deceitful plan masterminded by the beauty in question and her valiant steed and faithful sidekick, the culpret.
I musta been wasted last night. I thought I hooked up with this fine ass chick, but when I woke up this morning and saw her I realized that she might quite literally be one of the ugliest girls that I have ever seen. Her back was full of backne and her head looked like a watermelon. I can't believe I hit that, boy what an asstastrophe.
by Josh Hyder September 24, 2007

The Urban Dictionary Mug

Lotsa space for your liquids.

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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