ぶる
(Buru)
pretend to be / put on airs of.
Connection rules
- +Noun / i-adj stem / na-adj root + ぶる (conjugates as godan u-verb).
- +Mildly critical — implies inauthenticity or performance.
- +Common: 学者ぶる, 上品ぶる, いい子ぶる, 知ったかぶり.
Examples
1.
彼は学者ぶっているけれど、実はよく知らない。

Kare wa gakusha bu te iru keredo, jitsuha yoku shira nai.
He's pretending to be a scholar, but actually he doesn't know much.
「pretend to be / put on airs of」
2.
いい子ぶるのはやめなさい。

Ii ko buru no wa yame nasai.
Stop pretending to be a good kid.
「pretend to be / put on airs of」
Practice
He talks as if he were a scholar, but he usually just repeats things he read on the internet.
彼はいつも___難しい言葉を使いたがるが、内容はネットの受け売りだ。
Romaji also accepted