-a simplified version of the phrase "shits and giggles"
-a synonym for the phrase "for the hell of it"

Verb: when one shits because they have giggled.

When getting out of the bath tub and the cold air hits you, you shake from head to toe, that's the shiggles. Shivers and jiggles mixed, compliments of my 3 year old!

noun. When one laughs so hard, one shits his/her pants.

(phrase) Because wynaut.

Shorter form of replying, for "Shits and Giggles", when asked a question.

1.) A move somewhere between a shimmy and a wiggle
2.) shortening of "shits and giggles"