To look like a drowned rat informal simile
To describe a person who is very wet, especially because of rain
It rains dogs and cats, so I look like a drowned rat when coming home.
After breaking up her boyfriend, she drinks beer a lot and always looks like a drowned rat because of walking in the rain without an umbrella.
To get your own clothes wet.
If you say that you are soaked to the bone, you mean that you are completely wet.
The verb "look" should be conjugated according to its tense.
This simile first appeared in Latin nearly 2.000 years ago, and in English about the year 1500.