Neither of these girls has a single nasty streak in them.

A fill-in, up and around the eyes; a single streak down the nose.

The male has a single streak of red feathers on each side of his head.

His short-cropped blond hair stood up in spikes, with a single black streak running through it.

It flowed nearly to her waist and was jet black with a single gray streak to one side.

Ahead of it was a single fiery streak, growing brighter in its optical sensors.

His hair is straight and calm and has a single blue streak going through it.

Instead, I went out in a single gray streak.

Her hair was black with a single white streak down the middle.

A shaft of sunlight danced on the single white streak that ran through his thick black hair.