IWATSW 

stands for 'I Was a Teenage Satan Worshipper.'
This is an indi/pop/electro group from Finland. Gained additional popularity through Myspace.

I can't wait for the new IWATSW album

IWATSW by CheekyBottom July 26, 2009

iwatst 

short for "I was about to say that".

Arney: ill level so fast once i can get to the ogres.
John: but you don't get exp when training at the ogres.
Bob: iwatst

iwatst by Oldarney June 12, 2008

IATS

Stands for:

I'm about to slit

"Stfu emo"

"STFU IATS"

IATS by Brandon "Dark Wanderer" July 27, 2006

Ihatso 

Acronym for Insane hentai alien tenticle sex orgies.

Alternate meaning for Anime, the asian cartoon form.

omg, that guy watches too much ihatso.

fucking hell, that guy is a serious ihatso-head.

Ihatso by Milenko April 26, 2003

IITS

Acronym for "It's In The Script" - a quick and easy response to any query questioning something unrealistic, inconsistent or just plain stupid seen on TV or in film.

Pete: "How the hell could Jeff Goldblum upload a virus to the alien mothership using a Mac?"

John: "IITS."

IITS by bohdave August 7, 2008

Iits_wtfman 

Romanian guy who has over 2000 followers on twitter, and makes giveaways

I just followed iits_wtfman on twitter, and he s doing some cool giveaways

Iits_wtfman by Iits_wtfman August 26, 2020

iitsMath 

iitsMath is that one dude who's alright in PvP on Pocket Edition. But he do be sad, lmfao.

Random player:" Bruh, how are you so good?"
iitsMath:" The secret is depression."

iitsMath by iitsMxtthew March 14, 2021