lash out

US /læʃ aʊt/
UK /læʃ aʊt/
"lash out" picture
1.

to suddenly speak angrily to someone or criticize someone angrily

:
She tends to lash out when she's under pressure.
He didn't mean to lash out at you; he's just stressed.
2.

to hit out at someone or something with a lot of force

:
The horse suddenly lashed out with its hind legs.
He lashed out at the attacker with his fist.