to attack someone (especially verbally) unfairly in a deceitful, underhand, or treacherous manner, especially when they're not present in the place or situation that it happens. (as if stabbing them in the back). See backbite.
To utter a slanderous statement about; baselessly speak ill of.
To poke fun at a certain group of people
A collection of humorous videos intended to poke fun at a certain group of people, such as a community or nation
A false or unsupported, malicious statement (spoken, not written), especially one which is injurious to a person's reputation; the making of such a statement.