Joker and Show-off

Joker noun - A person (as a writer) noted for or specializing in humor.

Show-off and joker are semantically related In some cases you can use "Show-off" instead a noun "Joker".

Nearby Words: joke, joking, joked

Show-off noun - Someone who deliberately behaves in such a way as to attract attention.

Joker and show-off are semantically related in person who is wildly funny topic. Sometimes you can use "Joker" instead a noun phrase "Show-off", if it concerns topics such as person who is very funny.