howler

1. (historical) A person hired to howl in mourning at a funeral.historical

2. (slang) A painfully obvious mistake.Examples: "Given what we know about cognitive psychology, utility maximization is a ludicrous concept; equilibrium pretty foolish outside of financial markets; perfect competition a howler for most industries."; "I should like to thank Jianmei Piao of the Stanford University Libraries for reading the entire translation and checking it against the Chinese. Jianmei caught some howlers for which I am very grateful."; "A howler is a glaring mistake, a mistake that cries out to be noticed."slang

3. (slang) A hilarious joke.slang

4. (slang) A bitterly cold day.slang

5. (psychology) A person who expresses aggression openly in the form of threats.Examples: "Although their behavior does not have the same impact as hunters, howlers nevertheless distract the public figure and compel security and law enforcement […]"; "Hunters stalk their targets, make detailed plans, acquire and practice with weapons, and try to hurt or kill people. Howlers make bomb threats to schools, malls, churches, businesses, and government offices."

6. (sometimes figurative) A heavy fall.figurativelysometimes