Meanings
How to pronounce "rack up":
AU
to arrange in a rack
Example: "At the start of the game, the referee racks up the red balls."
Example: "If you rack up, I'll break."
to gain (points etc.; in a game or sport), to accumulate
Example: "Chelsea racked up another 3 points at home to Bolton."
to acquire, to gather together.
Example: "By the age of 18, he had already racked up thousands of dollars in debt."
to defeat severely, to thrash
Example Sentences
1
He managed to rack up a high score in the video game.
2
The team hopes to rack up a few more wins before the end of the season.
3
The company was able to rack up record profits this year.
4
The students are determined to rack up impressive grades on their exams.
5
He loves to rack up credit card debt by splurging on luxury items.