Magger

Magger is a term used to describe someone who is using an exploit known as mags or magnets. This exploit is used in the game titled Football Fusion, with this cheat people are able to pull the football towards them, even if it isn't being thrown directly to them or near them.

Wide Receiver: Pass To Me I Am Open!
QB: Throws Ball
Defense Backer: Intercepts The Ball
Wide Receiver: MAGGER!

Magger

A superlative nagger. Used to associate this person to a magget. Someone who annoys you excessively. Also used as a verb.

"You're really being a magger right now"

"Stop magging me!"