やがる
auxiliary verb
Godan
1
Godan verb with 'ru' ending
verbo auxiliar que indica desprecio
1
Godan verb with 'ru' ending
derogatory
to have the nerve to
after the -masu stem of a verb; indicates hatred, contempt, or disdain for another's action
あいつ、上司に胡麻を擂ってやがる。
He is buttering up to his boss.