wise guy

1 ENTRIES FOUND:
wise guy /ˈwaɪzˌgaɪ/ noun
plural wise guys
wise guy
/ˈwaɪzˌgaɪ/
noun
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