Top Definition
The feeling of euphoria when the pressure in your sinus cavity or ears changes and opens up for a brief period.

After bending to pick up her Kleenex, Jess had an intense sinugasm which allowed her to breathe briefly through her nose.
by Heybee March 18, 2009

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The exquisite, involuntary sinus reaction to being engulfed in Wasabe or Hot English Mustard. See also sinulate (sinus ejaculate) pronounced syn-u-lut
Things were going OK at the State Dinner until I had a sinugasm over the beef and mustard. When the poor Vice President had to wipe the sinulate off her blouse I thought I was going to pass out!
by barney_b December 09, 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.

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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