iarats 

Acronym commonly used on internet message boards. Stands for: I ain't reading all that shit.

tl;dnr

poster #1 posts a huge ass wall of text.

poster #2 replies, iarats.

iarats by faulkemup January 20, 2009

INRATS 

"I'm Not Reading All That Shit." Alternative to tl;dr to be used on message boards.

person 1: (large wall of text)
person 2: INRATS, bitch.

INRATS by Danchrism March 26, 2009