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1.
n: a person who is an easy laugh. A laugh whore will typically laugh at all of your jokes just to gain acceptance from you. You don't mind it because it makes you feel better about yourself. Usually has a mildly obnoxious laugh to go along with his/her hair trigger laugh reflex.
Friend 1: Oh man, we had so much fun! It was just awesome!!
Friend 2: Nah man don't fall for it...she's a total laugh whore.

Friend 1: Yeah so then I said, 'because the frog was stapled to the chicken!'
Friend 2: Hahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahaha!!
Friend 1: Yeah I made that one up myself!!
by MarcosR August 25, 2005
 
2.
A person that laughs too much over something that is not so funny
Why did the chicken cross the road?
to get to the other side.

HA HA HA HA HA HA HA HAHA!!!! OH MY GOD THATS SOOOOO FUNNY! OMG, YOURE KILLIN ME HERE, STOP IT!!
by Courtney Kaiser August 10, 2005
 
3.
A laughwhore is basically a person who laughs way too much over things that are funny nor unfunny.
Patrick: Why did the chickn cross the road?
: To get to the other side.

Brandon: HAHAHAHAHAHAHAHAHAHAHAHA!!!!!
Patrick: youre such a laughwhore.
by Courtney Kaiser July 20, 2005
 
4.
n, someone with an overwhelming desire to be funny, i.e. they feed on laughter.
Mario Cantone calls himself a laugh whore.
by NeonCat September 13, 2005
 
5.
Response when the price is not right (too low).
"Blow you for free?" said the laugh whore, "I don't think so!!!"
by Mojo Mojowitz September 13, 2005