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PMROFLMAOOL is a superfused pseudo-portmanteau of several abbreviated phrases all pertaining to expressing one's particular amusement (i.e. Laughter) at an event that has just occurred.

This pseudo-portmanteau consists of elements of the following expressive abbreviations:

PMSL: Peed Myself Laughing
ROFL: Rolling On Floor Laughing
LMAO: Laughing My Ass Off
LOL: Laughing Out Loud

With the common element being the word "Laughing". PMROFLMAOOL actually stands for:

Peed Myself Rolling On Floor Laughing My Ass Off Out Loud. This pseudo-portmanteau is only used in the funniest of situations and should be done so sparingly.
Friend 1: Yo dude, did you see Kim Kardashian put on blast on TV last night? That sh*t was too funny man! What a ho'!
Friend 2: Yeah man, tell me about it! I PMROFLMAOOL'd so hard, I thought I was gonna stop breathing!
Friend 1: Say what?!
Friend 2: Just look it up on Urban Dictionary already...
by omn1scientist June 02, 2010
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