An addict to the game RuneScape who owns one of the games most rare items, a party hat. In addition, phatmats are usually members that play from australia, frequently making comments about the kangaroo population.
Verb/. It's when a person without a job takes a vacation. Also when a person sends live vacation photos to friends that have jobs or are currently working at the time. Photo is usually of something awesome or person jumping in air.
A cool shit. Often used to describe someone who is exceptionally hip, and also a good leader of men. Derived from PHAT (Pretty Hot And Tempting) and scat, the Greek word for shit.