Top definition
To swear on a person you hold in high regard. Usually a deceased friend or relative.
Friend 1: "I already fucked Bob"
Friend 2: "You wellin, On who??"
by Dmula July 12, 2015
Get the mug
Get a on who mug for your papa Manafort.

Available Domains :D

  • onwho.se
  • onwho.net
  • onwho.org
  • onwho.ninja
  • onwho.men