pick on someone your own size

English

(colloquial, idiomatic) An admonition of cowardice, usually said to make someone cease harassing or bullying someone else, especially where the bullied party is physically smaller or weaker than the bully.
- 1988 February 7, Marea Murray, “Battles Joined: Oddysey of a Lesbian AIDS Activist”, in Gay Community News, volume 15, number 29, page 8:
  "Why don't you pick on someone your own size?" I say angrily as he tries to push her out of line.