Perk

Passive Ability.

An ability that doesn't require any input to be used. An ability that comes naturally, once learned (if it needs to be).

Having a Quick Learning Ability (perk) allows you to learn things much quicker than what would normally be expected.

Fag

A really annoying, or very irritating person.

Tom: Hey, can you pass me my phone charger. My battery is getting pretty low.
Joe: What percentage is it on?
Tom: Dammit Joe, quit being a fag and pass me my damn charger.