The number 1.

Darts.

A score of 95, usually by scoring five 19's.

A score of 45.

The part of a dart you grip, right behind the point.

The double-3.

A score of single-5, single-20, single-1 in a game of x01. This was based on the typical price of a bed-and-breakfast, 26 pence.

Landing all three darts in the 1's.

When you're darts land wildly all over the board.

The center of the board.