Top Definition
A replacement for someone's ex-boyfriend or ex-girlfriend who looks so much like the ex, it's uncanny. Sometimes done deliberately to piss off the ex.
One Dude to Another: Did you see that chick with Nick?

Another: Yeah I saw her and did a double take, I thought it was his ex, not his new chick.

One Dude: She looks so much like his ex, she's a fuck-alike.

Another: Wait till the ex sees the fuck-alike. She will throw a fit.
by sarasplayroom.com August 29, 2010

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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A sexual partner who bears a resemblance to an unobtainable desired sex partner
When I screwed my eyes up a bit, he was a right fuck-a-like for Johnny Depp.
by llkit December 18, 2014

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