Belligerent and troublesome.
Having an extreme appearance, attitude, or behavior that is considered admirable.
A person considered impressive due to courage, skill, daring, audacity, and/or toughness.
A belligerent or mean person; a person with an unpleasantly extreme appearance, attitudes, or behavior.
Difficult to accept; unpalatable.
Difficult or impossible to digest.
Anything that is difficult to digest.