you ever looked when your girl or some unknown girl was doing her best job to please you and her head's just bobbing up and down as she goes to town well, that's to bob
Is oral sex performed upon the penis. It may be performed to induce orgasm and ejaculation of semen, or it can be used as foreplay prior to vaginal or anal forms of intercourse.
other terms that may be used are: blowjob, as well as Fellatio.sometimes "giving head" or "going down."Or possibly "sucking dick" and "sucking off."
This may be used in such terms as, "that chick was totally bobbing me last night" or, "that was the best bob ever". Including, "it was the weirdest thing when she was bobbin' him on the other coach when i woke up that morning".