In rap beefs, presentation is everything. If you’re going to go to the effort of dissing someone, you might as well do it in the most clever and disrespectful way possible. So, what better way to add insult to injury than by dissing someone over a beat from one of their own hit songs?

It’s one of the oldest tricks in the book. Jay-Z has done it multiple times in his career, Tupac put his own twist on the tactic for the iconic Biggie diss “Hit ’Em Up” in 1996, and it continues to happen to this day with rappers like 22Gz and Knuckles Brimm dissing CJ over the “Whoopty” beat.

As we take a walk down memory lane of iconic diss songs, we put together a list of memorable instances that this tactic was deployed. Here are 14 times rappers got dissed on their own beats.