やがるverb suffix indicating hatred and contempt, or disdain for another's action

くそ！あいつ俺(おれ)に嘘(うそ)をつきやがった！

Damn! That jerk dared to lie to me! {verb suffix indicating hatred and contempt, or disdain for another's action}

競馬(けいば)の客(きゃく)：「くそ！あの馬(うま)、また負(ま)けやがった！」

Horse racing spectator: "Damn it! That horse lost again!" {verb suffix indicating hatred and contempt, or disdain for another's action}

看守(かんしゅ)：「おい、そこの囚人(しゅうじん)、勝手(かって)にどこへ行(い)きやがる！」

Guard: "Hey, you prisoner over there, how dare you go wherever you please!" {verb suffix indicating hatred and contempt, or disdain for another's action}

兄(あに)：「あいつ妹(いもうと)とキスしてやがる！痛(いた)い目(め)に遭(あ)わさずにはおかないぞ！」

Brother: "That guy is kissing my sister! I won't let him get away without suffering!" {verb suffix indicating hatred and contempt, or disdain for another's action}

真面目(まじめ)で従順(じゅうじゅん)なあの社員(しゃいん)に引(ひ)き換(か)え、この社員(しゃいん)はふざけた事(こと)を言(い)いやがる…。

Compared to that serious and obedient employee, this one has the nerve to say such foolish things... {verb suffix indicating hatred and contempt, or disdain for another's action}