Pinfinger

Lambert also uncovers some nasty quasi-formal physical punishments dealt out by prefects to younger boys: whipping with a piece of rope dipped in brine at one school, fixed numbers of punches to the face for different crimes, and a Russian roulette game called pinfinger, which involved stabbing at the fingers with a geometry compass.

Source: wiktionary

[…]a nimble six-part sequence based on pinfinger, which involves stabbing repeatedly and with increasing rapidity between splayed fingers[…]

Source: wiktionary

He had scars on all his fingers from where their father missed whenever he played a drunken game of pinfinger using Brysen’s spread hand pressed against the table.

Source: wiktionary

She pretends she isn’t checking the time on the stopwatch hanging from her belt, takes out a knife and plays a bastard version of pinfinger between her feet, reveling in the way her balance trembles as she shifts from right to left.

Source: wiktionary