2 definitions by Jessie_xxx

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!
by Jessie_xxx November 19, 2005
another meaning for the word cool. Usually used between teenage girls.
Tay:This weekend i've organised all us girls to go to the city for shopping.

Opal:Koolies! Hey can Zoe come?

Tay:Sure thing!

Opal:Koolies. C u then!
by Jessie_xxx November 19, 2005

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