On guitar: Did you hear that solo? He's got wicked chops!
On brass: You have to have some chops to hit a double G.
To make a chop means the same thing.
1:"Where's Faeyman at?
2:"Making a chop at that party we were just at, chill"
When someone says or does something stupid/wrong, a friend will point it out by yelling "CHOP!" while imitating a karate chop to that person's neck.
Snucka #2: Lexus doesn't make a convertible, "CHOP"! (proceed to karate chop #1's neck)