Top Definition
That feeling you get right as you're about to fall asleep, where you feel as if you are falling, so you jerk yourself awake while making a yelping sound combined with the sensation of spontaneous orgasm.
Right as Megan was about to fall asleep, she suddenly jerked awake and experienced a yelpgasm due to the sudden excitement.
by Cheesepack92 November 16, 2009

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).

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