(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
Wilky	-	Medieval English
Kunala	-	Sanskrit
Kyrillos	-	Ancient Greek
Ema	-	Spanish, Portuguese, Slovene, Czech, Slovak, Croatian
Sem	SEM (Dutch)	Biblical Latin, Biblical Greek, Dutch
ŞErİFe	-	Turkish