Banshee Attacked Dinosaur - 7x7

Cryptic Mini #000000117: "Banshee Attacked Dinosaur" difficulty level: 😶🌫️ why do I always write these after midnight, when all my joke juice has been depleted? the answer: [write punchline here]
mini cryptics every few weeks!
I don't use difficulty ratings anymore,
but here's the old system:
(clear)🌕🌔🌓🌒🌑(opaque)