A form of laughable substance to enhance any kind of artificial chewing substance.
This artififial chewing substance would be much better if I added my Lmaonaise
by Nageek August 04, 2006

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Top Definition
Representation of the verb "Laughing my ass off" as a Noun and Object.

Created to likeness in sound to Mayonaise, by Ruliath.

See also: LMAOsine
OMG slap some LMAOnaise on THAT sandwich!

He just pwnt himself by slipping in LMAOnaise.

Grease up the ROFLcoptor with some LMAOnaise, I'm goin for a ride!
by Ruliath January 11, 2005

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lmaonaise is a derivative of 'lmao' - laughing my arse off. it can be used to express the extreme amusement of something whilst relating to the popular sauce which so many of us put on salad: mayonaise.

Other examples include lolcakes and roflwaffles.
Suzie: Grant I want your lmaonaise
Grant: awh shit.
by suzukio January 13, 2010

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the act in which a man shoots his load all over a womans face and then when she looks up at him with that dumb "i just got cummed on look" ... the man laughs so hard his ass falls off.
the other night, i was banging this girl and i blew LMAOnaise all over her face. it was so funny.
by frederick nichols August 13, 2007

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Laughing my ass off - not actually. I speak exaggerations.

Used to show the stupidity of other peoples statements when they overuse lol or lmao at something that wasn't funny
Girl 1: OMG LOL! I was there on the weekend too and he was totally checking me out! Isn't that so funny!!!11!!! LMAO!

Girl 2: lmaonaise!
by FearMyAwesome February 13, 2010

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To laugh so hard that you ejaculate.
"While watching Superbad, Peter Lmaonaised all over his new Dickies when he saw Fogall.
by See Em Be June 18, 2008

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like regular mayonaise but more lmao. Goes great on lolcakes
Steve: Would u like lmaonaise on that?
Simon: No i hate lmaoaise
by The Greasy Fiddler September 06, 2009

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Laughing so much
That was funny, lmaonaise
by Bentley Price February 28, 2009

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