NFL

NFL stands for the National Football league. This would be football 101.

NYJ

About as easy as they get, NYJ stands for New York Jets. Way too easy.

PSL

Person Seat License (PSL) is a one time fee that teams charge season ticket holders. The PSL gives the ability for the owner to re-sell it on the open market but range in cost between $250 - $8,000 a seat.

Tangini

The nickname of head coach Eric Mangini and G.M. Mike Tannenbaum.

Homer

While being a Homer (Simpson) in a lot of situations is a good thing (cartoon, never grow old, famous) in the case of a sports it is an insult. Being called a homer in the sports world means that you are someone who shows absolute blind loyalty to a team and totally ignoring any shortcomings or faults they might have.

QB

QB stands for quarterback the passing position of an NFL football team.

PUP

Stands for physically-unable-to-perform and is usually a list which players are put on. It means they can go to meetings but not practice.

AFC

American Football Conference which is one half of the NFL made up of the AFC and NFC.

Penguin

Normally the definition would be "short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers" but on a New York Jets fan website, it is about Head Coach Eric Mangini. The rumor is that Laveranues Coles came up with the nickname and added to it by doing a "Penguin Dance" in the endzone after catching a touch down.