Being an adopted child of no blood relation to one's adopted parents, the act of having sex with a relative. It has all the flavor of incest without the incest, technically since there is no close biological link between the two (or more) individuals partaking in the act.
Mike: Hey, Nick, did you hear Brian fucked his older sister?
Nick: Awww, gross, dude!? What the fuck?
Mike: I know, but technically they're not related. Brian is adopted; so, it was diet incest.
Nick: Awww, gross, dude!? What the fuck?
Mike: I know, but technically they're not related. Brian is adopted; so, it was diet incest.
by jmw87 October 01, 2010
“Good golly! Cheryl , is that cherry incest you’re wearing?”
“Why yes it is, Karen. I bought it from JC Penny”
“mmm the sweet smell of cousin fuckin’ under the cherry tree”
“Why yes it is, Karen. I bought it from JC Penny”
“mmm the sweet smell of cousin fuckin’ under the cherry tree”
by cherry tree Betty June 14, 2019
Person 1: Whoa.. why is he so in love with his cousins?
Person 2: That’s just Pornstar, he’s an incest expert, straight from Alabama.
Person 2: That’s just Pornstar, he’s an incest expert, straight from Alabama.
by Python3 July 28, 2019
An Incest Jar is a jar filled with family to family, generation to generation sperm, which is a big jar, usually carried with a rope, tied to a truck for transportation. It’s usually used for a torture method against family members apart of the cult named, “Peppa pig’s affairs”
by Gayxoxo July 06, 2022
Having intimate relations with someone within your college or university program. Often risking a break up and hardships throughout the rest of your post-secondary experience, generally frowned upon especially in smaller program sizes.
Joe: Hey, that girl in our lecture is hot AF.
Greg: No that'd be program incest, you know you never do that.
Greg: No that'd be program incest, you know you never do that.
by bean george May 27, 2021
by jharrison3452 October 31, 2015
by ap3419 November 30, 2013