Cocksucker

[Mark Zuckerberg]

1. Someone who sucks a mans [penis].
2. A very stupid person.

[Becky]

General all-purpose all-american insult used to describe anyone except the person who actually sucks your cock.

[Justin Bieber]

In this order:

1:A person that makes your life as hard as possible.
2:A person that will stand in your way, and mess anything up you do.
3:A person that only cares for them self, and no one else!
4:A person that is looking to give one trouble.

[Justin Bieber]

A person who gives head. Giving blowjob