[beat] {sb} to a pulp

to keep hitting a person to the point of severe injury

The idiom "beat someone to a pulp" is believed to have originated from the literal act of physically beating someone until their flesh is severely bruised, and their face or body resembles a pulpy, mangled state. This expression vividly describes a brutal and merciless beating, often used figuratively to convey a complete defeat or overwhelming victory in a non-physical context.

In the boxing match, the champion beat his opponent to a pulp within the first round.
The rival football team was so much stronger that they beat us to a pulp on the field.
The debate was intense, and the experienced debater beat his opponent to a pulp with well-reasoned arguments.
The stock market crash of 1929 left many investors feeling like their portfolios had been beaten to a pulp.
After the final exam, Sarah felt mentally exhausted, as the challenging questions had beaten her to a pulp.