Definitions by DaRealDababy

Insex 

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.

Insex by DaRealDababy May 22, 2021