wise guy
US /ˈwaɪz ˌɡaɪ/
UK /ˈwaɪz ˌɡaɪ/

1.
sok tahu, orang yang merasa paling pintar
a person who is irritating because they think they know everything and try to be clever
:
•
Don't be such a wise guy, just answer the question.
Jangan jadi sok tahu begitu, jawab saja pertanyaannya.
•
He always has a sarcastic comment, a real wise guy.
Dia selalu punya komentar sarkastik, benar-benar sok tahu.