acid test (casual)

/AS-id test/ medium • Origin: Science metaphor turned slang; 19th century.

A crucial test or proof of quality.

Tomorrow’s presentation is the acid test.

ultimate test,trial

Still used in journalism and politics.

That song gives me a nostalgic feel.

Her yami kawaii outfit had pastel syringes as accessories.

Their comeback achieved an all-kill in 24 hours.

Mid take on that review.

That politician clearly has an appetite for chaos.

This lecture is pure astronaut food.