by Janae Owens August 29, 2015

"Last night on call you had some of the midnight giggles."
"Congrats you have performed the midnight Giggles."
"Congrats you have performed the midnight Giggles."
by TallTart May 31, 2023

by JamieBuz June 2, 2023

by Young Jamal December 12, 2017

by rickyreg May 14, 2024

The act of shitting yourself while laughing at something. This happens because you were laughing so hard, your anus laughed with you.
Friend 1: 'My little sister told me the Justin Bieber movie was the best experience of her life and started to cry'
Friend 2: 'What did you say?'
Friend 1: 'I started laughing uncontrollably, but then I had a Sphincter Giggle and ran to the bathroom to clean up'
Friend 2: 'OMG I think I just had one too!'
Friend 2: 'What did you say?'
Friend 1: 'I started laughing uncontrollably, but then I had a Sphincter Giggle and ran to the bathroom to clean up'
Friend 2: 'OMG I think I just had one too!'
by thatguywhosaysstuffsometimes February 28, 2011

by Fourmentality October 3, 2021
