reverse fart 

This occurs when you actually try to hold in a fart. The sound of the gas rushing back into your system creates a sound just like an actual fart. Caused by guacamole and bean burritos and store brand raisin bran.

(Fart sound)
Dude 1: What the fuck dude!!!
Dude 2: It was a reverse fart, I swear.

reverse fart by 2014_chiguy January 27, 2010

Reverse fart cup 

When you think you are farting on your significant other, but their hand is there and they throw it back at you.

I thought i was farting on her, but she reverse fart cupped me.

Reverse fart cup by Apeisabitch December 24, 2019

Open Anus Reverse Fart 

When you erect your anus towards the sky and open it with your fingers. Then you fart out and most likely your fart will be sucked back into your poop chute.

Mary walked up in front of the angry mob and performed and Open Anus Reverse Fart

Open Anus Reverse Fart by Elwoodthesheep October 26, 2010

Reverse Penny Farthing

When you tilt the wheelchair forward and proceed to penetrate her through the gap in the cushion

Dude, did you hear Jackson gave Barbara the old Reverse Penny Farthing! She forgot to put her breaks on and almost rolled away!

Reverse Penny Farthing by CinemaSecrets May 30, 2018