Your sister's bush
Your sister's pubes, usually said as an insult. This can be used to end an argument easily.
Steve: We should do our homework.
John: Chill bro.
Steve: Do you want to fail?
John: No.
Steve: So we should do our homework.
John: YOUR SISTER'S BUSH.
John: Chill bro.
Steve: Do you want to fail?
John: No.
Steve: So we should do our homework.
John: YOUR SISTER'S BUSH.