curling a weight thats to heavy for you, and will usually involve extreme usage of the back while curling.
guy: why is that guy doing those curls like an idiot
2nd guy: oh hes doing jed curls
guy: look at the way that guy is doing those curls, he looks like hes cheating
2nd guy: yeah hes sooo jedding those reps
guy: dont get mad, but i might have to jed the last rep its gonna be to hard to do them normally