4 definition by Ham273)

It means basically he says that he has a gun in his car

666 is known for the devils number/beast number and its mostly well known on youtube for calling the devils number +1(666)666666666

Its when someone is addicted to food and thinks about it too much

If s/he has sc in their bio it means snapchat, maybe they'd said there snapchat user and what people that follow them to add their snapchat