Top Definition
When a young female puts their hand on their hip with their elbow bent at a 90-degree angle. Inspired by prom pictures and attempts to make arms look tiny.
Katherine had such bad Prom Arm in all of the pictures from last night. I think she was trying to impress Sean by tricking him into thinking she has tiny arms.
by supersnowman93 December 12, 2012

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).

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