利口ぶる (りこうぶる) Japanese meaning | KotomoraMeanings
1
godan verb (-ru), intransitive verb
act smart; pretend to be clever
Describes someone putting on airs of intelligence or cleverness, often with a negative or mocking tone. The verb ぶる adds a sense of affectation.
聞
い
た
ほう
が
いい
よ
。
Stop pretending to be clever and just ask honestly.