1. Abbreviation for “Shut your bitch-ass up” commonly used to roast or bully someone through digital communication
2. Abbreviation for “Stay young, beautiful, and unique” though this
definition has been used as a joke to
trick people into saying SYBAU
1. “You need to sybau, you can’t be talking.”
1. “sybau” (can be used by itself since it’s an abbreviation for a sentence)
2. “Ummm… yeah mom sybau stands for
stay young, beautiful, and
unique”