1 definition by The Patriarch
A phrase used on Internet forums to counter the vast range of unverifiable claims made by users. Often these claims involve personal brag-worthy accomplishments, extraordinary or rare sights/occurrences, and tales relating to alcohol or drug use.
Guy 1: Dude, I drank four bottles of bourbon last night, then hooked up with 4 chicks at the same time, then Donald Trump came to my house and gave me a million dollars!
Guy 2: Pics or it didn't happen.
Guy 2: Pics or it didn't happen.
by The Patriarch March 29, 2006