Top Definition
An orgasm that is immediately, or soon thereafter, regretted upon, as you were having sex with someone you should not have been having sex with.
I bumped into my bitch of an ex-girlfriend, and it ended with a solid regretgasm. I even yelled "NOOOOO" as I came, realizing my mistake.
by Nigel Fish May 10, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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