1 definition by sjkaljfioa989999999

Top Definition
The innermost or central pin in an arrangement of bowling pins.

See headpin.

The most important person or element in an enterprise or system.

See kingbolt.

Kingpin: Life of Crime - A game made with the Quake engine based on the movie. Kingpin 2: Crime Continues unfortunately won't be released because the leading company went out of business.
The kingpin will cap yo ass, loc.
I only hit the kingpin this time.
I need to tighten the kingpin on my skate.
Kingpin is a great game, I think.
by sjkaljfioa989999999 July 15, 2003

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