The phrase "cue mayhem" is correct and usable in written English.
It can be used to indicate the start of chaos or disorder, often in a dramatic or humorous context.
Example: "As soon as the fireworks started, cue mayhem as the crowd rushed to get a better view."
Alternatives: "initiate chaos" or "trigger pandemonium."
Cue mayhem in schools, where teachers were obliged to rip up wallcharts and console their pupils, who were understandably forlorn at the fate of their favourite planet.
Cue mayhem), our Tommy found his fledgling empire in disarray, the Black Country/Brum alliance in tatters after the untimely death of Billy Kitchen and the rest of the Shelby family threatening to fall apart amid the attendant turmoil.
Cue mayhem, murder and strange fashion decisions.
Cue much mayhem and hectic adventuring.
The last cue for mayhem has been the decision by the Swiss National Bank to abandon its attempts to prevent the franc from appreciating against the euro.
Cue fourth afternoon mayhem that showed the county championship off to very best effect – Somerset striving for wickets, Middlesex refusing to contemplate the draw.
Cue ensuing hilarity, domestic mayhem and Poehler's new love interest getting her ballerina music box stuck in an unmentionable place in the bedroom.
A year later came the Battle of Highbury, in which the broken foot suffered in the open minutes by Luisito Monti, Italy's Argentina-born centre half, provided the cue for an afternoon of mayhem that ended 3-2 in England's favour.
But the sun comes up, we step toward the stove,and he shoots out like a cue ball, banks off the kitchen door — what mayhem is caused by going to make coffee!
And last week, right on cue, the big-bank protection team went to work, warning of economic mayhem that would result if Brown-Vitter became law.
