dogging the boys is a crime that occurs when one guy ditches or leaves his friends to do something else less important, like a woman or just some free time.
Bob: Hey you know Jim? He was dogging the boys last night!
Sam: For real? Lets beat that cunt up.
Bob: Yeah! lets roll that cunt.
ditching your friends (who are boys) to do something else with another person, usually a girl
Jason: are you coming to Ethan's house tomorrow?
Andrew: Nah sorry I'm hanging out Lucinda
Jason: come on man, you're dogging out the boys