There are many terms related to the dart, Chinatungsten offers some for your reference.
Ace(s) - The double one in '01
Arrows - Slang for darts
Bag O' Nuts - Scoring 45 points in a throw
Barn Dart - The third dart of a throw that hits the target you were aiming at that the first two darts missed
Black Hat - Hitting 3 double bulls in one throw
Black Dog - The double bull
Bones - When you have a double 1 left to win the game (usually displayed on the board with an 'X')
Bull Out - Winning a game with a double bull
Bust(ed) - Scoring too many points when trying to finish an '01 game
Chips - Scoring 26 points in a throw
A 'Classic' - Scoring 26 point in a throw by hitting a single 5, single 20 and a single 1
Diaper Dart - When a dart misses what it was aimed at and accidently scores well on another target.
Double In (DI) - Hitting the double area of a number to start a game of '01
Double Out (DO) - Hitting the double of a number to win a game of '01
Grand Slam - Hitting the T5, T20 & T1 in one throw (contributed by Derek Prather)