be (as) thin as a rail

To be extremely skinny or slender. Primarily heard in US. Have you seen Claire lately? I'm really worried about her, she's as thin as a rail! I've always been thin as a rail, even when I tried to gain weight.

Common Names:

Name	Pronounced	Usage
Yong	[jʌŋ]
Nogah	-	Biblical, Hebrew, Biblical Hebrew
Kristine	kris-TEEN (English), kris-TEE-nə (German)	Norwegian, Danish, Swedish, English, German
Vinzent	VINT-sent	German
Anatolijs	-	Latvian
Jeanette	[dʒə'net]