しやがる

do (something) (with contempt or anger)

→ 為る
し do + やがる Derogatory
verb · informal Rare #23,938
do (something) (with contempt or anger) A very rough, insulting form made by adding やがる to a verb stem.
JA: あいつ、また無茶しやがる。
EN: That idiot’s gone and done something reckless again.
Conjugation of 為る

無茶しやがる!

What a reckless thing to do!

— ダイ・ハード (1988)

何しやがる!

What the hell are you doing!

— 預言者 (2009)

いまじゃパッツ人が偉そうにしやがる!

These days, those Patts act all high and mighty!

— 不思議惑星キン・ザ・ザ (1986)

何しやがるんだ

What the hell are you doing?

— M - Eine Stadt sucht einen Mörder (1931)

ガキのころから何をするのもお前が指図しやがるいつも子供扱いだ

Ever since we were kids, you’ve been bossing me around and treating me like a child.

— AKIRA (1988)

いったい何をしやがるつもりだ?

What the hell are you planning to do?

— Брат 2 (2000)

なんてことしやがる

What the hell are you doing?

— 紅の豚 (1992)

何しやがる

What the hell are you doing?!

— いまを生きる (1989)

てめえ何をしやがる

What the hell are you doing?

— The Wind Rises (2013)