Definitions by Spark the girl

Who on earth cares? 

When someone really doesn't care what you're talking about, so they decide to not listen AT ALL WHATSOEVER, THEN THEY SAY, "Who on earth cares?" and then just stomp away.

"Hey, do you know what a magnetic field is?"
"Who on earth cares?!?!" *Stomps away*

Who on earth cares? by Spark the girl May 25, 2018