Top Definition
A brown tunnel is when a girl takes a shit then forces it into her vagina using her hands then gets a guy to plow her getting brown balls , variants include licking it out and shit swapping. The shit acts as lube for a very pleasurable experience.

Also called brown flume.
hey babe, ready for a brown tunnel? yeah i love brown balls, yummy
by browntown2 January 09, 2011

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