Top Definition
5K1
Also 5-K-1. Refers to someone who provides assistance in the investigation or prosecution of another, used in context to release them from otherrwise mandatory sentencing guidelines.

Related to the 2001 Federal Sentencing Guidelines Section 5.K.1.1
In the Geto Boys song G-Code: "Fuck a 5K1, check his P-S-I"
by LostGunMan December 21, 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