devil’s tattoo 

A tapping of fingers on anything indicating sign of impatience and nervousness.

Also the devil’s tattoo.

The pirate was deep in his thought, doing the devil’s tattoo on the side-arm of his creaky chair.

devil’s tattoo by hippy2981 November 8, 2006

Devil's Tattoo

A term used to describe the marks caused by using heroin through a needle.

"Man, you can easily tell that girl is a junkie. She's got the devil's tattoo."

Devil's Tattoo by PatrickLittle August 14, 2018