a condition when you forget when you masturbated or if you even masturbated at all
Person: I'm kind horny right now. I think I'll jack off. Wait didn't I jack off earlier today? I think I have fapnesia
by capitan fap February 20, 2014

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Top Definition
You don't have any memory of when you fapped for te last time.
"Me":I don't know when I fapped for the last time doctor.
"Doctor": I think you suffer from fapnesia
by Ballzlapper December 05, 2014

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).

Buy the t-shirt