the act of calling/naming a girl that just by you. basically a girl that is out of your league. it's like whitsling but with your manfriends.
(at the beach)
guy one: (girl passes by) oh fauk, dibs
guy two: aw man
guy one: (turns around for a moment)
guy two: (goes in for the steal) making out
guy one: i guess guy two doesn't obey by the dibs rule