do (one) one better(redirected from do him one better)
do (one) one better
To upstage, outshine, surpass someone or something. I know you feel productive because you went running today, but I'll do you one better: I ran and went to the gym! I'm pretty sure I did one better than the rest of my classmates by including color pictures in my report.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.