drummers advice

[therev1234]

okay so i was talking to a drummer the other day and he said he thought the rev was good but needed to brush up on his paradiddle or paradiddles im an awfull speller and have no idea what this means in drum terms as i play guitar can somone plz give me an example as where the rev plays these amazingly as in syn plays good sweeps in afterlife if u know what i mean thanks so much