Something; thing; stuff.
Used before a noun phrase at the beginning of a sentence to form an exclamation. Indicates that something is remarkable in quality or degree.
In some manner or degree; in part; partly. See also what with
Which thing, event, circumstance, etc.: used interrogatively in asking for the specification of an identity, quantity, quality, etc.
An expression of surprise or disbelief.
Which one(s); which kind of.