Technique used mainly by males to sleep in the same quarters (Bed, Couch, etc.) without having the threat of gay/awkward encounters. The two will lay in opposite directions (feet next to head) mirroring the position used in the movie Willy Wonka and the Chocolate Factory by Grandpa Joe and the other geriatrics in that beat on shit-hole house.
I was Grandpa Joeing on the couch with Raff yesterday watchin golf
Yo I dont have anywhere to sleep, you mind if I Grandpa Joe with you.
I slept with Jim, its cool tho we Grandpa Joe'd