roister doister 

a foolish braggart

true origin is a comedy by Nicholas Udall called "Ralph Roister Doister" written a.1553

Roister Doister is my name,
A lusty brute I am the same

roister doister by pooglem August 3, 2007

roister doister 

bit of a "player"; generally with women but can also be used in business. Origins - Only Fools and Horses.

"Rodders, I'd never of guessed, you ol' roister doister."

roister doister by adrian daniels March 17, 2005