nana-man i wonder what happen to that girl bre  i used to talk to   zekiah-nana i'm sorry but i had to backdoor you on that one
taking or swooping up a another guy or girls main
"nana-man i wonder what happen to that girl bre  i used to talk to   zekiah-nana i'm sorry but i had to backdoor you on that one" What is the definition of "backdoor"?