When a girl gets in a car with a bunch of boys and makes out with the guys one by one in a side by side pattern until the end.
" Hey Mary... wanna come play side by side?"
by Skidaddle Skidoodle June 25, 2019
Term for a double-barreled shotgun with the barrels placed side by side instead of on top of each other. Typical shotgun for hunting small game.
yo check out this side-by-side!
by Johnny B May 26, 2004
taking a dump while someone else is taking a dump in the stall beside you
Chris & Ron joined each other for another side-by-side after lunch.
by Trevor E. Gregory August 11, 2008
A homosexual male who does not enjoy anal penetration (giving or receiving), but will engage in other forms of same sex activity (fellatio, frottage, mutual masturbation, etc).
Gay man 1: So, are you a top or a bottom?
Gay man 2: Actually, I’m just a side.
by Cappy1 October 8, 2018
A homosexual male who prefers more often than not to engage in other forms of same sex activity (fellatio, kissing, frottage, rimming, mutual masturbation, erotic massage, other countless acts of foreplay, etc), as opposed to penetrative anal sex.
Person one: “So are you a top, or a bottom?”

Person two: “If it comes to anal sex I’m more of a top, but generally I’d consider myself mostly a side.”
by OfTheWoods May 5, 2022
a gay man who does not partake in anal-penetrative sex; a gay man who enjoys all aspects of intercourse with the exception of anal penetration
Sam: I really like Josh, I think I want to go all the way with him.
Nick: Good luck, Josh is a total side.
by fckity June 14, 2015
Homosexual, gay or Ghey, a person who enjoys the company of the same sex. Can refer to a male or female homosexual.
Twilight fns are a bunch of side by sides.
by Homer Pimpson 69 November 29, 2009