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 July 10, 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 June 09, 2011

Lazie: pmao guys!!
Panda: HAHAHA PMAO
Wood: pmao??
Lazie: iT wAs A tYpO!!
Panda: no no it's funny! Let's use it instead of 'lmao'
Panda: HAHAHA PMAO
Wood: pmao??
Lazie: iT wAs A tYpO!!
Panda: no no it's funny! Let's use it instead of 'lmao'
by anonymous December 13, 2020
