Top definition
A really cool guy. Has an alter ego who is a girl. The girl side of him enjoys doing the splits, sucking cock and hates having headaches. The guy side likes to have a party and hang out with lesbians. A likeable guy. Very funny. Likes to imitate sex noises.

He likes high fiving and air drumming.

He likes boobs
Guy 1: "Hey did you see that guy hookin up that asian"

Guy 2: "Yeah what a synjin"
by universal professor February 12, 2011
Get the mug
Get a synjin mug for your dad Callisto.