Top definition
A piece of hair that partially covers a guy's pee hole, causing urine to go in two different directions.
Guy 1: Dude, why is there piss all around the toilet?

Guy 2: Sorry bro, I had a beam splitter and it went everywhere.

Guy 1: I hate when that happens, but its still kind of cool.
by pot top November 02, 2012
Mug icon

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