An attack on somebody's reputation or good name, often in the phrase to cast aspersions upon….
slander, calumny
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.
A collection of humorous videos intended to poke fun at a certain group of people, such as a community or nation
To utter a slanderous statement about; baselessly speak ill of.
To poke fun at a certain group of people