be after (one's) blood(redirected from be after their blood)
be after (one's) blood
To seek revenge on another person. He hit my car, so I'm after his blood now.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be after/out for somebody’s ˈblood(informal, often humorous) want to hurt or harm somebody, especially as revenge: They have been after my blood ever since I accidentally damaged their car.
Farlex Partner Idioms Dictionary © Farlex 2017