badass
adj//bædˈæs//grym, tuff, hårding, tuffing
(US, sometimes considered, _, vulgar, slang, positive connotation) Having an extreme appearance, attitude, or behavior that is considered admirable.
(US, sometimes considered, _, vulgar, slang, positive connotation) A person considered impressive due to courage, skill, daring, audacity, and/or toughness.