Definition
To respond to someone in an unreasonably angry and abrupt manner.
對（某人）大聲嚣責
When I asked him why he was late, he snapped my head off.
當我問他為什麼遲到時，他對我大發雷霆。
She's under a lot of pressure, so she might snap your head off if you ask her a question.
她承受著很大的壓力，所以如果你問她問題，她可能會對你大發雷霆。
I was only trying to help, but he snapped my head off.
我只是想幫忙，但他卻對我大發雷霆。