when one laughs alot and so hard that thier tummy hurts! and oftenly gets in trouble at public places for laughing to hard with their bff! and often tells really stupid pointless stories(and while trying to tell it, bust out laughing in the middle of it)
by Sara H. R. January 12, 2008
Occurs often in people that drink way too much orange-juice. Can be insanely annoying when your trying to focus in global class, but is contagious.
by kelsee4356 October 29, 2009
When people laugh so hard that theyre eyes become small and squinty and give them the effect of looking asian. (aka ASL)
by BrennaBrennaBrenna! February 6, 2008
Double Laugh syndrome is defined as laughing at ones own joke while currently laughing yourself. Causing an intense tingling sensation in the nether region as well as confusion from Australiens.
Telling someone that the person laughing behind you is actually you, telling them it's Double Laugh Syndrome, and having them believe it.
by Gryphus_1 May 5, 2014