rack up

verb

1. To arrange in a rack.

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

   “If you rack up, I'll break.”

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

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

   “In between, Mesut Özil's penalty was saved and Arsenal racked up more chances than they would probably want to remember.”

3. To acquire, to gather together.

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

   “Rack up your arm candy with this schmancy bangle, watch, and bracelet set from Anne Klein.”

4. To defeat severely, to thrash.
5. To collect one's chips and cash out.
6. To attribute, chalk up.

   “A number of times I heard Bruce say, in passing, "I just don't see why everyone has to be labeled. I just don't think words like homosexual — or gay — do anything for anybody." And I would hold my counsel and rack it up to age.”