gobshite

noun3

1. •
   (vulgar, offensive) A person of very poor judgment and unpleasant character.

   • LaTisha […] left school a head-banging argumentative gobshite with no qualifications who wouldnʼt take no orders from no one. — 2019
2. •
   (vulgar, offensive) One who engages in nonsensical chatter or unwanted conversation.

   • What’s that gobshite talking about now?
3. •
   (vulgar, offensive) Nonsense; speech or writing that is untrue, meaningless, or otherwise unwelcome.

   • “You do work on the brick when you raise it. The Earth doesn’t do work on the brick as it falls.” With all due respect, that’s a load of gobshite, John. — 2013