Rompehuesos (en. Bone breaker)
/rom.pe.'we.sos/
Slang Meanings
A person who acts violently in any situation.
You need to be careful, that guy is a tough guy and doesn't care about hurting anyone.
Tienes que tener cuidado, ese tipo es un rompehuesos y no le importa lastimar a nadie.
Said of a fighting style: very aggressive and direct.
His fighting style is very tough guy; he always goes on the attack.
Su estilo de lucha es muy rompehuesos, siempre va al ataque.