In Porn: PMAO stands for "pissing my ass off" or the act of urinating in someone's gaping asshole. -As popularized by the LegalPorno website.
by beautifulrock June 29, 2015
Contraction between "Pissing me off" and LMAO. It means that you are extremely pissed on someone or something.
Your Boss: "Hey would you please file all these documents to the archives?'
To yourself: Huh... PMAO!
To yourself: Huh... PMAO!
by Pmao January 02, 2015
Dotty laughing with her friend finished with "pmao" in error instead of lmao or pmsl and the new hybrid word was born!!
by EJC81 May 16, 2011
by kash1463 May 26, 2020