i honestly thought it was the other way around.
...
what!? im 11! -.- i just told my age.
no, you see, the girl's peepee is like a cave
when the boy and girl want to go "cave exploring" the boy puts his peepee in the girl's cave peepee and then they have fun "exploring"
if the boy's peepee goes exploring wrong it breaks off and the boy can't drink ever again, because he can't pee