jackhole

noun2

1. •
   (slang, offensive) An obnoxious or contemptible person.

   • Now I hear some of you jackholes want to sue Nancy...HA! good luck! — 2003
2. •
   (no longer used) A hole that is created using a jack or wedge.

   • Trout glided into the shadows, feeding upon grey moths, while in the jackhole beneath the red clay hollows big pike stirred lazily. — 1911