Webster's Revised Unabridged Dictionary · 1913

Mizzle

Mizzle , intransitive verb

[See Misle, and compare Mistle.]

1.
To rain in very fine drops; to drizzle. — Spenser
2.
To take one's self off; to go. [Slang]
As long as George the Fourth could reign, he reigned, And then he mizzled. — Epigram, quoted by Wright

Mizzle , noun

Mist; fine rain.