I’ve got chops

Typically referring to one’s skill(s) and/or experience.

Heard in the series of Gilmore girls, that can be viewed on Netflix, when Brian is instructing Zack on which guitar chords he must play, in a speedy manner. Season 5: ep. 5.

ZACH: “Yo, kid flash, slow down. I’ve got chops, but I’m not Les Paul.”