1.) Refers to the sex act of doggie style or arf sex, where the male mounts the female from behind, normally vaginal contact, however, can also refer to anal sex in the same fashion. 2.) Having had good sex and boasting about the same, although it is not restricted in the sense of all within definition 1.). Can refer to almost any completed sex act.
Prostitute Query: "I charge the same for 'bow wow' as I would for missionary sex. Would you like that?"
Guy Talk: "We did it 'bow wow' for almost two hours, man!"
False Stud: "Yeah! Got her into 'bow wow' big time! I was good, dude!!" Said Andy, acting proud. However, Howard told Dilbert that it was not true because Sylvia never even saw Andy again. There was no way he could have had 'bow wow' with her, if anything.
1.) That's what my baby said (Phineas and Feb reference)
2.) A phrase commonly used after a sexual innuendo
1.) Bow Chicka Bow Wow, that's what my baby said, bow wow wow and my hears starts pumping....
2.) "We got the goods. Jim, slip it to him"
"BOW CHICKA BOW WOW