be (as) sick as a dog

slang To be very ill. Honestly, I haven't been avoiding you—I've been sick as a dog. I had to go to the doctor on Monday because I was as sick as a dog all weekend.

Common Names:

Name	Pronounced	Usage
Martino	mahr-TEE-no	Italian
Iolanthe	ie-ə-LAN-thee (English)	Various
Liz	LIZ	English
Sariah	-	Mormon
Alfeo	ahl-FE-o	Italian
Ximeno	-	Medieval Spanish