death on

death on  {adj. phr.},  {informal}
1. Very successful in meeting or dealing with.
Joe is death on fast balls. He usually knocks them out of the park.
2. Disliking or strongly against; very strict about.
The new teacher is death on students who come late to class.
The twins' grandmother is death on smoking.
Categories: death {adj. phr.} {informal}