Scritch

Scritch is an internet slang term used to describe the act of scratching someone or something, typically in a gentle or affectionate manner.

Examples:

1. I love it when my cat curls up on my lap and purrs while I give her a good scritch behind her ears.
2. My little sister always asks me to scritch her back before bed, it helps her relax and fall asleep faster.

To summarize, scritch refers to the action of gentle scratching, often used to show affection or provide comfort.