* Señorita: Means "Miss" or "young lady" – a polite way to address a woman.
* Muy: Means "very"
* Bueno: Means "good"
While it's grammatically correct, it's not a common phrase. It's like saying "Miss very good" in English.
Here's what it likely means, depending on the context:
* An incomplete phrase: Someone might be about to say something like, "Señorita, muy bueno... ¿puedo hablar con usted?" (Miss, very good... can I speak with you?)
* An exclamation: It could be an excited way to say "Very good, Miss!" maybe in response to something a woman has done.
* A sarcastic remark: It could be a sarcastic way to say "Oh, Miss, that's very good." The context would be crucial to understanding the intent.
To understand the meaning better, you need more context. What was the situation where you heard this phrase? Who said it? What was happening before and after?