Go to the mirror, if you look masculine. Pull your pants, youll see a stick(or worm if ur not as hard as a rock) and a sack with 2 balls. that thing, is ur penis.
Jenna: Hey mom, I think I have a penis!
Jenna's mom: How the f- UR A GIRL!
Jenna: I know, no need to remind me.
Jenna's mom: I'm gotta go talk to your father.