(one's) (hand)writing is like chicken scratch

One's handwriting is very poor, messy, and/or illegible, likened to the marks made in the dirt by a chicken. I can't understand these notes at all, your handwriting is like chicken scratch!

Common Names:

Name	Pronounced	Usage
Jarah	-	Biblical
Headley	HED-lee	English (Rare)
Midha	-	Arabic
Barnabas	BAHR-nah-bahs (German), BAHR-nə-bəs (English)	German, English (Rare), Biblical, Biblical Latin, Biblical Greek
Lucyna	luw-TSI-nah	Polish
Celestine	['selistin]