scruff

Someone with an untidy appearance.

That candidate will never get the job: he's a right scruff.

Stubble, facial hair (on males).

Crust.

Scurf.

The loose skin at the back of the neck of some animals.

The back of the neck, nape; also scruff of the neck.

He grabbed his unruly child by the scruff of the neck, and took him home.

To lift or carry by the scruff.

She gently scruffed the kitten who was trying to climb her leg.