Godan verb with 'su' ending, Transitive verb
to destroy; to break (by striking); to smash (to pieces); to knock down
see ぶち壊す
to ruin (e.g. a plan); to wreck; to do away with (an old custom, ideology, etc.); to overthrow (a system); to dismantle
Also written 打ち毀す【うちこわす】