I'll slam ya uncle
Trash talk used to imply that you're more skilled than someone. Like saying that you can beat your challenger and their uncle.
Person 1: You tryna ball?
Person 2: Bruh, don't... do not do it to yourself.
Person 1: What??
Person 2: Bro, I'll slam ya uncle!
Person 2: Bruh, don't... do not do it to yourself.
Person 1: What??
Person 2: Bro, I'll slam ya uncle!