A person who "bobbles" the cock whilst performing felatio, making for an awkward moment during the sexual experience. This usually involves the penis popping out of the mouth and the giver of the blow job having to awkwardly re-establish the rhythm of the blow job.
The blow job was okay, but Amanda is such a cockbobbler because she gets so into it.
A fuck boy who sucks so much that his girl cheats on him and everyone knows it but him see: cuckold
James is on Facebook raging at his girlfriend and looking like a tool because she came home last night. Little does he know it's because I was throat fucking her so hard that she needs a chiropractor. What a Cuckboy.