A person who is annoying , thinks they are great but everyone thinks they are an idiot and they don't know it themselves.
That fucking keith thinks he is the main man when infact he is a right cock ender!
by Baeder October 09, 2009
A member of "Eastenders" being a cock...
"Max Branning's being a total cockender this week!"
by Jarvis Focker September 01, 2009