look up any word, like ratchet:
 
2.
Giggling for a long amount of time due to being exposed to something hilarious.
Yulia fell off her chair and I had a total giggle fit.
by BespaRose April 25, 2008
 
1.
A huge bout of uncontrollable laughter.
My friend always has enormous gigglefits.
by Nopey Nope Nope February 02, 2005