look up any word, like bias:
Doing something that's hilarious just for the giggles.
Leslie sees something insanely hilarious that Ben posted on FB

Leslie: LOL that was really funny. Someone's gonna kill you for posting that photo.

Ben: It's all for the giggles!
by BShigure January 25, 2011
A phrase that is used an excuse when all other excuses fail
Bruce: "Let's go see that new movie"
Wayne: "Why? It's supposed to be crap"
Bruce: "For the giggles"

George: "I killed a guy. You know, for the giggles"
by jjpaddy January 09, 2014