1 definition by Dopico

1

abbreviation for suck your balls. Alternative: SMB, suck my balls.

Comeback.

Person 1: You totally suck at life
Person 2: SYB

by Dopico July 14, 2010

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request