be death on (something)(redirected from being death on someone)
be death on (something)
1. To be especially hazardous to something. Filing paperwork is just death on my hands in the winter—I get so many paper cuts!
2. To be very strict about something. The CEO is death on absenteeism, so I wouldn't take another sick day if I were you.
3. To be adept at something that requires exceptional skill. That golfer is death on putting, so I'm confident he'll only need one more stroke.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.