buttduction 

The warmth felt by a second occupant of a chair or other seat left by its former occupant. Heat conducted from one butt to another by a seat.

This seat is all warm from that last guy's buttduction.

buttduction by drclark January 1, 2016

Buttruption 

The spewing of fecal matter from your anus.

Uhhh, I just had a buttruption after eating that Taco Bell

Buttruption by Jojo101 May 10, 2009

buttfection

The most incredibly perfect butt that has or will ever excist.. its sheer sight brings tears to the eyes...

Sandy's butt is the epitome of buttfection

buttfection by Luis January 22, 2005

Buttrection 

When your butthole starts pulsating with arousal or excitement to see another butthole or Penis in the vicinity

"Hey whys his ass vibrating, Must have a buttrection coming on."

Buttrection by ThirstyBear May 14, 2021