How do you know that your sister is on her period?
Your dad's dick tastes weird.
How do you know that your sister is on her period?
Your dad's dick tastes weird.
Okay, so listen up, dummy. The joke is NASTY. It implies that the dad and the sister are doing something they shouldn't be doing. And because you're you, I bet your own family does this. Sicko.
idk
BUDDY!