The Mr. Miller Squat is best used while having sex. It occurs when your partner gently bends their knees and strains so hard that they shart. It can be used as a game to see who can catch the most asshole juice in their mouth.
“Yeah bro me and Jessica did the Mr Miller squat last night, 10/10 experience”

The Mr.Miller Squat is a shart sex game
by MeHaveAids December 19, 2021
Get the Mr.Miller Squat mug.