verb

1. (cue sports) to arrange in a rack

   “At the start of the game, the referee racks up the red balls.”

2. To gain (points etc.; in a game or sport), to accumulate

   “Chelsea racked up another 3 points at home to Bolton.”

3. To acquire, to gather together.

   “By the age of 18, he had already racked up thousands of dollars in debt.”