Northern California Bay Area Term used to point out funny situations purposefully, physical
characteristics, race, religion, and or sexual orientation of people, friends, and acquaintances in such a manner as to embarrass or belittle them.
Often a game where people insult each other first one to get Fucking mad loses, To talk shit, to Cap, to Snap!
SIG is more than likely Bay Area
Northern California west coast terminology short-term for "Signifyin"
To purposefully point out the physical characteristics, race, religion, and sexual orientation of friends and acquaintances in such a manner as to embarrass or belittle them.
“ Did you hear Jason's cap on Robby's
hairline receding; The Hommie always got heat and will "SIG" on
somebody"
"Okay! you best be careful I got SIGs ready if
you say anything."
"Hommie I got SIGs anybody can get it!"