1. When a guy refrains from
hitting on a girl because his mate has 'dibs' on her.
2. When a guy won't
get with a chick because one of his mates has already got with her.
3. When a girl can't get with a guy cause his stupid friend likes her.
4. When a girl can't
hook up with a guy she likes because his other male friend and her were once seen flirting.
Eg: Despite Rebecca being all for it, Danny wouldn't
get with Rebecca because his mate Andrew had dibbed (v.) her.
Eg: Mandy couldn't
hook up with Daniel because their
mutual friend Jason had dibbed (v.) her.