from The Century Dictionary and Cyclopedia
Sorry, no etymologies found.
Painted in scraggling white paint across the seat of the trousers was written
Their hair was a reddish-brown color, and fell scraggling a little below the shoulder line.
A slatternly woman with scraggling black hair, and with three dirty children clinging to her dirty apron, "reckoned she mought git him a bite," and disappeared.
I have quite exhausted my descriptive faculty for the present, so shall say nothing of this old castle, which indeed (the remains being somewhat scanty and scraggling) is chiefly picturesque and interesting from its bold position on such a headlong hill.
And later, as I left to go out, I saw a most unusual sight (after this earlier one): a turkey on the roof of a two-story apartment, balancing there, then noticing it had been spotted by yours truly, and I heard it’s hobbly scraggling down the other side of the roof, and then bursting sound of flapping wings, and the next moment it was safely ensconced high up in a redwood tree.
“I’m sure she was,” said Katie’s mom, scraggling Katie’s hair with her hand.