be (as) thin as a wafer
(redirected from thin as a wafer, be)be (as) thin as a wafer
To be extremely skinny or slender. Have you seen Claire lately? She's as thin as a wafer in the last six months! I've always been thin as a wafer, even when I try to pack on some muscle. The machine crushes the tin until it is as thin as a wafer.
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