gut shelving 

Placing your fat beer belly on the back of a women during doggy style sex to relieve pressure on the knees.

Guy1: My knees have been killing me lately during doggy style coitus.
Guy2: You should really try gut shelving to relieve the pressure on your knees, mate.

gut shelving by ThatJO February 2, 2018

gut shelving 

Placing your fat beer belly on the backside of a desperate stripper in order to perform mediocre coitus.

Guy 1: Man my knees have been really hurting when I do doggy to those slutty strippers.
Guy 2: Brah, you need to be gut shelving those strippers it's done wonders for my knees.

gut shelving by ThatJO May 4, 2018