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.
After getting triple penetrated, she got into kitty style position for a vicious PMAO session.
by beautifulrock June 29, 2015
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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!
by Pmao January 2, 2015
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A mixture of lmao (laughing my arse off) and pmsl (pissing myself)
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
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A funny way of saying 'lmao'

It was created by a typo
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'
by December 14, 2020
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A funny way of saying 'lmao'

It was created by a typo
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'
by December 14, 2020
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