Definitions by Slinlycunt12

FlyFucking 

Having sex on anything that flys.

Me and my step daughter love to FlyFucking in the holiday season.

FlyFucking by Slinlycunt12 December 17, 2021

Biosex 

Having sex with your biological sister or brother.

Jimmy, you need to stop having biosex with your sister.

Biosex by Slinlycunt12 December 10, 2021