Adjective
flat as a pancake (comparative more flat as a pancake, superlative most flat as a pancake)
(simile) Particularly or extremely flat.
If something that heavy landed on him, he'd be squished flat as a pancake.
Life's not linear at all. It happens in lighting flashes. So fast you don't see those lay-you-out cold moments coming at you until you're Wile E. Coyote, steamrolled flat as a pancake by the Road Runner, victim of your own elaborate schemes. Karen Marie Moning