Yes it is an idiom because the literal meaning doesn't make sense.
If you are "under the weather," then you are feeling ill. The image is of a dark cloud hanging over you, making you miserable.The idiom "feeling a bit under the weather" means that a person is feeling slightly ill.
The meaning of I feel a bit under the weather means you dont feel very well
She was feeling a bit under the weather, so she didn't go to the movies.
mite
A casual woman.
If you say "I'm feeling a little under the weather today," it means that you are feeling a little bit sick or not feeling well....means "feeling sick".Someone who is under the weather doesn't feel well and/or has a mild illness, like the common cold for example.It means your not feeling well or having a hard timeIt depends:In the US, if some one is "under the weather," it means they are not feeling well or that they are ill.In British English speaking countries, it means the person is drunk or hungover.
This is not an idiom because you can figure out the meaning if you only think about it for a bit. Whenever you see AS ____ AS _____ then you are dealing with A Simile, which is a type of comparison. This is comparing someone as being high like a kite flies high in the air. "High" IS a slang term for intoxicated or under the influence of drugs.
it means 'too much', 'more than is necessary', 'overkill'
Peekish is a word used to describe how someone is feeling. It can be used to describe someone who is feeling just a small bit under the weather.
The weather institute is a bit southwest from Fortree City.
snakes bit you because they felt threatend or they just dont like you.
the weather in whitby at summer is quite warm and hot, besides that it is a bit of rain and a bit of sunshine=D