A sex toy shaped like a Nerf gun used to shoot nitrous into your asshole.
Ahh there's my giggle gun!
"I'm goin out tonight, I'm puttin nitrous up my butt, I'm gonna shoot my giggle gun, I'm gonna stretch out my dick"
by PaleBlueEyes June 2, 2021
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When you get a fit of uncontrolable giggles and cant stop laughing, some might say you've been hit by the almighty GIGGLE GUN
Peggy Sue *Laughs*
Retch "Well someones been hit by the giggle gun"
by Tiffany Salmon February 26, 2009
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