IRTR 

A reddit acronym meaning "I read the rules." Some subs will delete posts without this phrase because so few people read the rules.

An Interesting Title IRTR

IRTR by wjulie January 3, 2020

IRTR 

IRTR an acronym meaning I Resemble That Remark

IRTR as a reply to show solidarity with an idea or humorously identify oneself with a concept.

IRTR by Reverend-Theo January 5, 2015

IRTRNTS 

A common term used for live auctions over the internet, meaning, I reserve the right not to sell.

Buyer: LOLZ, I was highest bidder on your diamond ring with 2 dollars!!!11!

Seller:IRTRNTS

IRTRNTS by Anthony Walker June 16, 2007