“Those shoes are shelf, no one is wearing them anymore.”
“You’re so shelf. Why would you say that?”

That’s so shelf!

This party is completely shelf!

It would be so shelf to stay home Friday night after I told everyone I had plans.

Dude is so shelf with those corny jokes.
She is so shelf! No cap!

That movie was so shelf. Half of us left after the first half hour.

Me: what should we do tonight?
Him: we could go putt put golfing
Me: don't be so shelf