To shell (a walnut).
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.
Malodorous; foul.
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.
Badly.
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.
To bugger.
To ask for and be given something with the direct intention of exploiting the thing’s usefulness, almost exclusively with cigarettes.
To use a bot, or automated program.
The larva of a botfly, which infests the skin of various mammals, producing warbles, or the nasal passage of sheep, or the stomach of horses.
A physical robot.
A piece of software designed to perform a minor but repetitive task automatically or on command, especially when operating with the appearance of a (human) user profile or account.
A computer-controlled character in a video game, especially a multiplayer one.
A supremely unskilled player.