It does not mean, oh, go, yo, or for those of you named, Joe, go Joe. No is no and that is all there is to it. Guy takes girl to diner for dinner. Guy takes girl to movie in Bronx. Girl thinks ok.
Girl sits in theater with guy.
Twenty people run into theater. Shootout takes place in lobby of theater. Girl is scared wants to leave. Guy says he has to use the bathroom. Upon return guy wants to kiss girl in lobby of theater among three bodies on the ground.