Bludgeon
noun
A short, heavy club, often of wood, which is thicker or loaded at one end.
“We smashed the radio with a steel bludgeon.”
verb
To strike or hit with something hard, usually on the head; to club.
“The apprehended rioter was bludgeoned to death.”
To coerce someone, as if with a bludgeon.
“Their favorite method was bludgeoning us with the same old arguments in favor of their opinions.”