Top Definition
Semen. Thick, milky, viscous semen.
After having sex with the car exhaust, It was coated in my fap juice.
by eden5900 September 05, 2003

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That milky white stuff that your dong expels out after you're finished masturbating.
Ugh, I got fap juice EVERYWHERE.
by T3h Conquerer March 14, 2011

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary 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.

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The Urban Dictionary T-Shirt

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J I Z Z
DUDE, hold my fap juice in your mouth, ok?

Sure thing, DUDE.
via giphy
by DPsyche May 24, 2016

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary 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.

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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).

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The very foul smelling, disgusting fluid that is unfortunately a product of nonstop female masturbation, also known as "Fapping." Fap Juice is most easily detected while temporarily sharing a home with an extremely nasty woman who has a fake online boyfriend,masturbates alot and never takes a shower.
Damn, it smells straight up like FAP JUICE in your sister's room! She must have been FAPPING ALL NIGHT LONG!
by BigCPizzle March 22, 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.

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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).

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Any media that inspires the urge to masturbate.
That picture of Carmen Electra is fap juice and I want to ejaculate all over her face!
by yawgm8th February 11, 2005

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