The first piss you take on a night out that opens the floodgates and makes you need to go every 8-10 minutes.
Lucy: Oh crap I need to take a first fatal piss
Dom: haha unlucky
by drunkensword March 26, 2008

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Top Definition
First Fatal Piss or FFP.
This happens when you're drunk and you have to go to the toilet for the first time. Because lets face it guys, once you go the first time you have to go again and again... and again.
Mira: Where's Hetty gone?
Charly: Oh she's having her First Fatal Piss.
*10 minutes later*
Charly: Hey have you seen Hetty?
Mira: Yeah, she had to pee again.
*30 minutes later*
Meg: Hey do you guys know where Hetty is?
Mira and Charly: Yeah she's in the toilet.
by iambethany December 20, 2006

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