Certainly! Let's break down the word "letch" in a simple way.
Letch (noun): A man who has strong sexual desires and often behaves in a way that shows he is very interested in sexual activity. It can imply that the man is not very respectful or is overly eager in his desires.
While "letch" primarily refers to a man with sexual desires, it does not have many other meanings in English. It is mainly a slang term, so it does not usually appear in formal writing.
There aren’t specific idioms or phrasal verbs that use "letch," but you might encounter phrases that describe similar behavior, such as: - "He has a wandering eye." (implying he looks at other people in a sexual way)
In summary, "letch" is a noun used to describe a man with strong sexual desires, often in a way that is inappropriate or overly eager. It carries a negative connotation and is best used in informal contexts.