suffix, godan verb (-ru)
be prominently ...; be persistently ...
Suffix attaching to nouns or adjective stems to form godan verbs meaning 'to be conspicuously or stubbornly that way'. Often carries a negative or emphatic tone. Common in colloquial or informal speech.
彼はいつも理屈っぽくて、すぐ屁理屈ばる。
He's always argumentative and quickly gets stubbornly pedantic.
That person is rich and acts all high and mighty.