bat a thousand
1. In baseball, to get a hit every time one is at bat (resulting in a batting average of 1.000). The slugger is still batting a thousand after a record eight at-bats.
2. By extension, to be successful in an endeavor or in multiple areas of one's life. I'm really batting a thousand this week—I got an A on my exam, I got the lead in the school play, and I won the poetry contest!
bat one thousand
Have a perfect record, as in In meeting deadlines, she's batting one thousand. The term comes from baseball statistics, where it signifies getting a hit for every turn at bat. It was transferred to other activities in the 1920s.