howler
nounUK /ˈhaʊlə/
US /ˈhaʊlər/
A howler is a funny mistake that makes people laugh.
The teacher made a howler when she called the wrong name.
OTHER MEANINGS
2. A monkey that makes loud howling sounds.
We heard a howler monkey in the jungle.
3. A person or thing that howls loudly.
The wind was a real howler last night.
4. A funny letter or message that makes people laugh.
He sent a howler to his friend by mistake.