Here's a breakdown:
* "ya" is a common way to start a sentence in Russian, meaning "you".
* "vas" is the accusative form of "you" in Russian, used when the "you" is the object of a verb.
* "vsex" is the plural form of "all" in Russian.
* "plzz" is an informal abbreviation of "please," possibly in English.
However, the phrase as a whole is grammatically incorrect and doesn't make sense in standard Russian.
Possible Interpretations:
* Misspelled Russian phrase: It's possible that the intended phrase was something like "Я вас всех прошу" (Ya vas vseh proshu) which means "I beg you all."
* Mix of languages: It's possible that the phrase is a mix of Russian and English, with the intention being something like "You all please."
Without more context, it's impossible to know the exact meaning of this phrase.
If you have any more information about the situation or the person who said it, I might be able to help further.