(a case of) dog eat dog phrase informal
Used to describe a competitive situation where people will do anything, or even harm others to achieve what they want
My old workplace is a dog eat dog company, everybody's emotionless.
The film industry is a case of dog eat dog.
To be outperformed or outrun by someone, usually by a very wide margin.
The expression is used at the beginning of a competition to say that you hope the most fastest, strongest, or most skilled succeed person
wins.
A group of bad or sinful people
The cruel treatment or behaviour that humans use to hurt each other
(Image Source: Decision Marketing)
The idiom appeared in 1930, related to an old proverb "Dog does not eat dog". The idiom showed that the society had become so cruel that metaphorical dog would now eat their fellow.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.