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Kotomora

通つうぶる

つ
う
ぶ
る

Meanings

1

godan verb (-ru)

act like a know-it-all; pretend to be an expert

Colloquial, often derogatory. Describes someone who puts on airs of being knowledgeable or 'in the know', especially about a specific topic. Related to 通 (つう) meaning 'connoisseur' or 'expert'.

See also: 通がる