Backfilling

Person 1 lays on back, pulling knees to chest, making an impromptu toilet. Person 2 then sits on "toilet", shits into person 1's ass. Person 2 "back fills" person 1.

Once Bill assumed the position, Marc began backfilling him.

by Eggfarticus May 24, 2017

Backfield in motion

A sex partner that moves around instead of being a passive recipient during coitus.

The young electrician enjoyed sexy and made sure the backfield in motion at the Gloryhole !

by Angry Stockholder February 2, 2020

backfields

at salisbury cathedral where backfields is for ripping shotties and having scraps

yo jack do you want to rip a shottie at backfields

by shotty ripper crew December 27, 2021

Backiller

Synonym of Backstabber

Used to refer to people who attack through the back. Usually used on shooters.

Bro, this game is full of backillers, im quitting.

by 2RHURQ3GHUQ580 February 20, 2023