joker

joker /ˈʤoʊkɚ/ noun
plural jokers
joker
/ˈʤoʊkɚ/
noun
plural jokers
Britannica Dictionary definition of JOKER
[count]
1 
: a person who tells or makes many jokes
2 
: an extra card used in some card games usually as a wild card
3 
informal : an annoying, stupid, or offensive person