When a bro ditches his other bros for another activity.
Usually when a bro-ditch is performed, the bro-ditcher receives some form of punishment from his bros.
"Dude, you just bro-ditched us... that's a hit in the balls from all of us!"
the combination word of Bro and Bitch, referring to girls who have entered 'Bro' level friendship or status within a social group
Person 1: yo, who dis bitch with the 40, ripp'n on Tyrell?
Person 2: oh..her?...that broitch be Dianna, dont fuck with her she do you dirty, and i aint talk'n ass bruh