Top Definition
The cascading flab that cliff-hangs over a belt buckle, or in particular, a pair of tight fitting hipster jeans. Most commonly seen on chubby pubescent girls.
"Will you just check out the fatalanche standing in the McDonald's line"
by Leha March 26, 2005

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Alt Def: When the flesh rolls of a morbidly obese individual land on you while sitting at a sporting event, public performance, or on a plane, bus, or train.
Ex. Jack almost got buried in a fatalanche when a giant fat kid sat next to him at the Tiger’s game.
by zookpr April 16, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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