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1.
a loud fart that makes you laugh histerically. or an amazing shit that makes you laugh.
i took a shagiggle last night and i was rollin
by crazy white nigga May 17, 2009
 
2.
Short for the phase shits and giggles. Can be used to save time in saying for shits and giggles. Instead just say for shagiggles...
Let's just shagiggle it and see what happens.
For shagiggles, why not?
Shagiggle me and just do it!
by SoulSwitch Jimmy June 02, 2011