As it happens, a fribble is a wasteful or frivolous person or action - and, let's face it, it's not unusual to have a need to describe one of those.
What does he do?
Oh, I don't know...sleep, drink, watch YouTube. He's a bit of a fribble, to be honest.
Fribble can also mean to fritter away or waste:
What are you doing?
Oh just fribbling away some time online.
Did you have fun?
Yeah, she turned out to be well fribble.
If those aren't riches enough, there's even a word fribbler.
But then they are riches enough, aren't they?
(Photo by Colibri1968)
Word To Use Today: fribble. Where this word came from is a mystery. Imported by gnomes, quite possibly.