Like a scalded cat British simile
Extremely fast as if having been abruptly startled or shocked
John leaped out of bed like a scalded cat as he knew he would be late for work.
I don't know why Anne scuttled out of here like a scalded cat after a phone call.
Very quick
To move or work something at a faster pace
Used to refer to someone or something moves or works at very high speed
If he or she does something at his or her own pace, he or she does it at the ideal speed for himself or herself.
at a high speed
The origin of this expression is not clear.