A person who enjoys
sucking cock so much, that they truly go overboard.
By "overboard" I mean slobbering all over the cock (or drool dripping onto it), as well using their teeth (or gums if no teeth) to munch and knaw
on the head. This knob gobbling technique is usually performed by women (or men for that matter) who have not had a cock to suck on for quite a while, or a
prostitue who is being paid to suck the cock in this type of fashion (commonly found with no teeth).