L.M.A.O 

L:laffin
M:mah
A:ass
O:off

when sumone says sumthin so funny online and u cant even show dem how. .now u can

halo234: HAHAHAHA. . .LMAO!!!!

L.M.A.O by +gOOsE+ September 20, 2003

l.m.a.o. 

It means laughing my ass off.

That was so funny!!! I'm l.m.a.o.

l.m.a.o. by Tina June 17, 2006

l.m.a.o.s.h.m.s.f.o.m.h.a.i.d.m.t. 

Laugh my ass off so hard my sombrero fell of my head and I dropped my taco.

Steven told a joke and Brenda replied with l.m.a.o.s.h.m.s.f.o.m.h.a.i.d.m.t.

And they all laughed! THE END!!!

l.m.a.o.s.h.m.s.f.o.m.h.a.i.d.m.t. by WeridGirl101 June 27, 2016

r.o.f.l.m.a.o 

Rolling On Floor Laughing My Ass Off

tht was soooooooooooooooooo funny i was r.o.f.l.m.a.o

r.o.f.l.m.a.o by alex rees March 7, 2007

R.O.F.L.M.A.O.S.P 

rolling on floor laughing my ass of scaring people

did u see the guy who has a mangina! I R.O.F.L.M.A.O.S.P 'd so hard!!!! how the fuck does he have sex?

R.O.F.L.M.A.O.S.P by neobomb3r April 25, 2011

l.m.f.a.o 

Laughing My Fucking Ass Off. A term used when you are in tears from laughter. Used mostly on instant messaging.

Ben: I did the stupidest thing last nite, i was running down the street with Alex and I ran straight into a pole, i ran so hard i think i dinted it!

Kyle: U are such an idiot. l.m.f.a.o!

l.m.f.a.o by Jessie_xxx November 21, 2005

L.M.F.A.O. 

an abbreviation for saying: LAUGHING MY FUCKIN' ASS OFF

HAHAHAHA. that was very funny. L.M.F.A.O.

L.M.F.A.O. by Diego Delgadillo November 11, 2006