1 definition by DaRealDababy
The type of sex that you have with your family members or someone who is related to you. (AKA Incest Sex)
Brendan : Bro, I just had some of the best insex of my life last night.
Charlie: Lucky, your sister is so hot!
Brendan: Nah son, it was with my dad.
Charlie: Lucky, your sister is so hot!
Brendan: Nah son, it was with my dad.
by DaRealDababy May 22, 2021