While we will always remember the savage roasts that were thrown our way, it takes a special kind of sick burn to seep into your memory forever — especially when directed at someone else. Just ask the fine folks of Reddit, who found themselves needing ice after being in the mere vicinity of these sick burns. 

From the thread of a lifetime from someone's boss to a "Yo Mama" joke that singlehandedly revived the genre, here are 20 of the most brutal roasts anyone has overheard.