f'nar / F'Nar / fNAR / FNAR / F-Nar / F-nar ...
A total waste of time and energy because someone just felt like being a jackass.
Why did you break my phone for no apparent reason? I was just trying to take a nap!
He yelled at the dog for no apparent reason. The dog was just sleeping.
She canceled the party for no apparent reason. No one even knew why.