Ripple Fart 

When you release such a powerful fart that it causes visual ripples to appear in your underwear, or skirt if your a girl

Example 1
Micheal: Dude! Check this out

Tim: What dude.
Micheal: *Points butt out and causes a fart to ripple in his underwear*
Tim: Wow dude. That was awesome

Example 2
Rochelle: Girl, my stomach hurts

Julia: Maybe you need to fart

Rochelle: I don’t fart

Rochelle: *Fart ripples her skirt*

Julia: I think you just did a Ripple Fart
Rochelle: No I didn’t, my panties are fine

Julia: No, a ripple Fart is when your fart causes you pants to ripple

Rochelle: Oh

Ripple Fart by Your Dude 67 January 20, 2021

top butt ripple fart

When you fart, but only the top half of your butt vibrates.

That was a weird top butt ripple fart.

top butt ripple fart by Tiojimbethay November 28, 2019