Definitions by Oxfords dictionary

Pat 

A guy who doesn't mean to be funny but is

This guy is a complete pat

Pat by Oxfords dictionary May 20, 2020

Piper

Piper is a name given to expert game players. Made famous by the gamer tag piper180, a Xbox player who would own the lobbies on call of duty modern warfare, MW 2 and MW3

This guy's on a 30 kill streak, he's a piper

Piper by Oxfords dictionary May 20, 2020