Incest means having sex with someone from your family. This was a common thing back in the days but is not considered normal any longer unless you live in Alabama where it's still considered perfectly normal to fuck and marry your cousin.
Alabama person: so this is my wife Karen

Normal person: Ohh I thought Karen was your sister

Alabama person: Yeah she is my sister, but she is also my wife

Normal person: But that's incest

Alabama person: I really don't see the problem
by Cute lil bitch March 18, 2019
Get the Incest neck gaiter and mug.
when a sibling wants to f**k another sibling of theirs or any family member wanting to bang.
Incest is beat but I think it is ok I low-key want to f**k my sister
by ohmg1234! January 14, 2021
Get a incest mug for your father Trump.
The act of calling your relation your boyfriend
It's incest because she called me her boyfriend
by Wise papi September 13, 2019
Get the Incest neck gaiter and mug.