Significantly Younger Being. Another term for LG's
Check out those SYBs yo! They're smokin!
SYB means steal your bitch, the is basically steal someones girl. when a girl has a man and you want you or when you talkin shit to another dude
SYB is an acronym for Shave Your Bush (bush meaning pubic hair on a girls vagina.
Owen: hey i heard you need SYB abi from Jamie.
Abi: hush i shaved last week!
abbreviation for suck your balls. Alternative: SMB, suck my balls.
Comeback.
Person 1: You totally suck at life
Person 2: SYB
An acronym for "See You Bye" which is another phrase for goodbye.
Used at the end of a message to let someone know you're leaving
"I'm going to play the piano SYB"
Anyone can drop a normal mock on someone like "you're ugly" or "you're stupid" but it takes a special someone to drop a dirty syb mock involving sybians, butt juice, vag juice and big round black sybian heads.
Any shit talk that involves sybian machines can be classified as a syb mock.
You enjoy sitting your fat ass on that nasty twin headed sybian dcarl WUWU WUWU. Drop that syb mock on your friends and see what they say.