cull out(redirected from cull someone or something out)
To separate and remove someone or something from a group. A noun or pronoun can be used between "cull" and "out." We were so determined to win the science bowl that we culled out everyone who seemed susceptible to stage fright. We culled the weakest members of the herd out so that only the strongest would reproduce.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.