(1) My boss is a real slave driver.

(2) I am a kindhearted slave driver.

(3) Our manager became slave driver during the rush season.

(4) Our boss is a real slave driver.

(5) My boss is slave driver.

(6) How does he act like a literal slave driver?

(7) Our manager became a slave driver during the rush season.

(8) Pam once complained to me that his lordship was slave driver, a snob, and a bore.

(9) Not like our first boss. Boy, he was a real slave driver.