Top Definition
The best sex in the world. Occurs when you and your partner are both sound asleep and then slowly wake up having sex, in the middle of the night.
Its a trip from Dream State to Horny State.
Afterwards you go back to blissful sleep.
John: "What happened last night?"
Peter: "We had Wake Up Sex"
John: "Whats That?"
Peter: "We were asleep in each others arms and then i was half awake and we were already having sex and it was weird 'cause it was like it was a dream but then we realised it was real so we took it to the next level.It was so horny!"
by fnky January 25, 2006

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When whoever's in your bed can't get to sleep/wakes up and decides to penetrate their partner without warning. Often used in porn.
I can't get to sleep, I'd better have some Wake-up Sex
by ubersquirl March 29, 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.

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