It is a phrase used to express that something is:
* Silly or absurd
* Lacking in intelligence or common sense
* Frivolous or meaningless
Here are some examples of how you might use "muita bobeira" in a sentence:
* "Ele fala muita bobeira." (He talks a lot of nonsense.)
* "Não dê ouvidos a tanta bobeira." (Don't pay attention to all this foolishness.)
* "Aquele filme era muita bobeira." (That movie was a lot of nonsense.)
It's important to note:
* "Muita bobeira" can be used in both informal and formal contexts, but it is usually used in a casual or dismissive tone.
* The phrase can be used to refer to a specific thing, like a story or an argument, or to a more general sense of foolishness.
Let me know if you have any other questions!