Have (hand)writing like chicken scratch informal verb phrase
To have very poor or illegible handwriting
I can't understand your essay at all. You have handwriting like chicken scratch.
I was really depressed when reading his notes. He has handwriting like chicken scratch!
The verb "have" should be conjugated according to its tense.
The origin of this expression is not clear.
Come out of a difficult situation without a stain on one's character
I don't understand how he can fall in shit and come out smelling like a rose.