A temporary fold at the tip/end of a penis usually caused by sitting in a uncomfortable position Ex. Crossed legs or wearing tight pants. Resulting in a split stream while taking a piss. Usually resulting in 2 streams. Rarely 4 streams.
Dude I just got back from taking a piss guess what happend? What? I got a splitter. No way dude how many strams did you get? 4 dude. Damn the most Ive ever had was 3 way 2 go bro.