be (as) flat as a pancake

slang To be physically squashed or flattened. I forgot that I had a muffin in my bag, and it's flat as a pancake now. My model of a volcano is as flat as a pancake now that you've sat on it!

Common Names:

Name	Pronounced	Usage
Gracia	GRAH-thyah (Spanish), GRAH-syah (Latin American Spanish)	Spanish
Dania (2)	-	Arabic
Niloofar	-	Persian
Remiel	-	Judeo-Christian Legend
Shipman	['ʃipmən]
Marissa	mə-RIS-ə	English