It's the acronym for: Rolling On The Floor Laughing My Ass Off And Scaring The Cat. It expresses extreme amusement for a funny situation; it is also used by nerd people in order to conquer the weak-minded noobs of the web.

Noob: "Heya m8!"
Nerd: "Wtf?!"
Noob: "C'mon, wazzup?"
Nerd: "Stop bothering me and lemme play WoW in peace"
Noob: "Wottaffukka is that?"
Nerd: "Stfu, noob! Rtfm! I'm gunna enslave you, rotflmaoastc!"
Noob: "Yes, master?"
Nerd: "u.u"

ROTFLMAOASTC by SwatMaster88 March 4, 2009

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rotflmaoaysfrotflyao

Rolling on the floor laughing my ass off at you stupid fuckers rolling on the floor laughing your asses off

I'm rotflmaoaysfrotflyao because I just found out everyone knows I'm Gay.

rotflmaoaysfrotflyao by Kelly u see what I'm sayin November 7, 2006

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ROTFLMAOWLLLLLHACRTTFOOTPTBOLOIADSPAMHPLTDIOTLMSIASORDBBMHATCWMHOFSIOWPIMP

Rolling on the floor laughing my ass off while licking lovely ladies' lower lips having a car ride trashing the fuck out of the place throwing beams of light out in all directions slamming pans against my head psycho-like throwing dogs into oncoming traffic losing my socks in a storm of roflcopters distilling beverages banging my head against the curb with my hair on fire somewhere in Ohio while pissing in my pants.

Sometimes I like to curl up with a good book and ROTFLMAOWLLLLLHACRTTFOOTPTBOLOIADSPAMHPLTDIOTLMSIASORDBBMHATCWMHOFSIOWPIMP all over the place.

ROTFLMAOWLLLLLHACRTTFOOTPTBOLOIADSPAMHPLTDIOTLMSIASORDBBMHATCWMHOFSIOWPIMP by DickShinAiryPersons October 12, 2010

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