eat someone alive informal
(criticize someone harshly)
- If you make a mistake this time, the boss will eat you alive.
(bite many times)
- If you go outside, mosquitoes will eat you alive.
(control, handle, or defeat easily)
- I want to prepare myself for the debate, or the opponents will eat me alive.
also: eat someone for breakfast/lunch
- She eats people like Jake for breakfast.