wise guy
/ˈwaɪzˌgaɪ/
noun
plural
wise guys
plural
wise guys
Britannica Dictionary definition of WISE GUY
[count]
informal
1
chiefly US
:
a person who says or does things that are funny but also annoying or somewhat rude
2
US
usually
wiseguy
:
someone who is part of a secret organized group of criminals
:
mobster