Shittin' on these kids
To be substantially better at something than someone else. Metaphorically, shittin' on em.
"this random person messaged me over my game just to cuss me out. I guess I'm really Shittin' on these kids."
"I finished my marathon league beyond everyone else, I'm Shittin' on these kids for real!"
"I finished my marathon league beyond everyone else, I'm Shittin' on these kids for real!"