Acronyms dictionary OTI What does OTI mean? OTI is a textspeak acronym for on the internet. Related words: IRL creepypasta rules of the internet Examples of OTI OTI CATCHING ALL MY UWUS @ifonlykth, June, 2018 You should see my jokes OTI, I'm much funnier there I don't use "IRL" on the Internet anymore, I just use "OTI" in real life. @myrontan, May, 2011 SEE MORE EXAMPLES Who uses OTI? Jokideo Just Added trigger law, bystander effect, CSI effect, Streisand effect, L + ratio Note This is not meant to be a formal definition of OTI like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of OTI that will help our users expand their word mastery.