FLUCTUATE, FLUCTUATION
NOUNS
► BLIP a minor fluctuation, usually upward, in the stock market or other measures of corporate fortunes → 1988 US sl.
PHRASES
► UP AND DOWN LIKE A BRIDE’S NIGHTIE said of anything that fluctuates → 1985
VERBS
► BELLWAVER to fluctuate, to waver, to vacillate, to be inconstant → 1820 Sc.
► BE UP AND DOWN LIKE A BRIDE’S NIGHTIE to rise and fall quickly or repeatedly; to fluctuate rapidly → 1985
► CHOP AND CHANGE to vary continuously, to fluctuate → 1557
► WHIFFET to veer, waver, fluctuate; to cause smoke, etc. to wave or fluctuate → 1896 Eng. dial.
Lexicophilia 