This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Present participle of pinprick.

"The patches of raw skin on her cheek and palms suddenly blazed to pinpricking life, and she had to blink away tears."

pinpricked    pinpricking    pinpricks   

puncture    irritation    annoyance    vexation    botheration   

pebble-sized    finger-sized    non-failing    eureka    pin-point