When someone is having anal sex and their penis gets covered with shit. Thus covering the anal recipient ass with shit.
Guy 1 : "Yo, did you hook up with that girl last night"?
Guy 2: "Yeah, I was doin' it in the ass and gave her a Shit Salad Sandwich".
Guy 1 : "Hey, that's fly, dog".
Sexual intercourse involving 3 or 4 females. Two menstruating females grind their genitals together while the other/s perform oral stimulation on the first 2 females genitals and anus.
Hey Becky, thanks for inviting me over for that Egg Salad Sandwich with you and Jenna... Tasted great!!!
A threesome with an ovulating chick.
Last night, Fred and Joe had an “Egg Salad Sandwich” with Alice