An ex-lover with whom you have sex.
I had ex sex with my sex ex the other day.
by Oddsock March 30, 2011

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Top Definition
A person (male or female) that you used to date (but no longer do), but still will sleep with you now and again.
See also Imaginary
Ex: "Hey, I know we stopped dating because you're tremendously creepy, but I think we can at least be sex exes, don't you?"
Other person: (No response; tends not to talk to people he's imagining in his head)
by lsiusA August 13, 2011

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.

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