The utterance issued by text from a gullible or elderly person who has been fooled into believing an article or video shared from OANN. Abbreviation of "Oh My Actual News Network!"
Bill (texting): Check out this link about how this old white guy shoved by police is actually Antifa.
Doug (texting): OMANN
Bill (texting): I know right?
Doug (texting): OMANN
Bill (texting): I know right?
by Juxtaposeur June 9, 2020