going haywire

• malfunctionFailure to operate properly
• glitchMinor system fault
• crazyMentally unhinged
• berserkWildly, violently uncontrolled
• chaosComplete disorder and confusion

short-circuit · sparks · meltdown · unhinged · frantic · erratic · spinning · out-of-control · bonkers · breakdown · frenzy · wires · smoke · panic · scrambled · haywire · wild · fritz

• chaos idiomsall hell breaks loose, pandemonium, madhouse, circus, bedlam
• meltdownsnuclear meltdown, reactor meltdown, meltdown, freak out, losing it