(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
Maude	MAWD	English
Kyleigh	KIE-lee	English (Modern)
Sophie	so-FEE (French), SO-fee (English), ZO-fee (German)	French, English, German, Dutch
Alexios	-	Ancient Greek
Aodh	EE, AY	Irish, Scottish, Irish Mythology
Dunstan	DUN-stən (English)	English (Rare), Anglo-Saxon