thrash >> /θræʃ/
Definition: [transitive verb] Beat (a person or animal) repeatedly and violently with a stick or whip.
Example: she thrashed him across the head and shoulders
Definition: [noun] A violent or noisy movement, typically involving hitting something repeatedly.
Example: the thrash of the waves
Definition: [noun] A short, fast, loud piece or passage of rock music.
Example: after all those twelve-bar thrashes, my fingers were blistered