Malodorous; foul.
Good, superlative, excellent, cool.
Not covered by funds on account.
Not suitable or fitting.
Not appropriate, of manners etc.
Spoiled, rotten, overripe.
Bold and daring.
Stop being bad, or you will get a spanking!
Unfavorable; negative; not good.
Unskilled; of limited ability; not good.
Unhealthy; liable to cause health problems.
Of poor physical appearance.
False; counterfeit; illegitimate.
Not behaving; behaving badly; misbehaving; mischievous or disobedient.
Evil; wicked.
Severe, urgent.
Overly promiscuous, licentious.
Very attractive; hot, sexy.
Faulty; not functional.
Tricky; stressful; unpleasant.
Sickly, unhealthy, unwell.
Something that is bad; a harm or evil.
Error; mistake.
An item (or kind of item) of merchandise with negative value; an unwanted good.
Used to scold a misbehaving child or pet.
Badly.
To shell (a walnut).
Extremely reckless.
Likely to commit, or to attempt to commit, suicide.
Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part.
Pertaining to suicide.
Someone suicidal; someone likely to kill themselves.