It is slang in only the spoken word. It cannot be used in proper English. As slang, and has to be translated into English before it can be categorized: it means "what will . . . ".
What is an interrogative pronoun.
Will is part of the future tense of a verb, as in will go, will find.
You should always use "What will" in school, not the slang.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
The word speech is a noun.
The part of speech for oscillate is verb.
Cavorted belongs to the part of speech called the verb.
The part of speech for this particular word is a noun.
The part of speech that the word my is used as is an adjective.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
The word speech is a noun.
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.
The word speech is a noun.
What "part of speech" is the word "said?"
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.