Shut the Fuck up Potion 

This masterpiece bound to Kali will abruptly will for 72 hours make your target feel a sharp taste of foul bitterness and/or after capsaicin after they speak in a way that annoys you. Thus shutting them up. 

Instructions:

Carve your target's name into a black candle and add 6 drops of potion to the wick and light for 6 minutes while you stare into the flame and focus on your intention.