Synonyms for Fly off the handle:

• n.

  •blow up (noun)
  • blow.

• v.

  •flip out (verb)
  • wig out,
  • blow one's stack,
  • crack up,
  • lose one's mind,
  • lose one's temper.
  •freak out (verb)
  • come unglued,
  • flip one's lid,
  • lose one's cool,
  • go bananas,
  • work oneself up,
  • break down.
  •go crazy (verb)
  • go off.
  •rage (verb)
  • champ at bit,
  • foam at the mouth,
  • let off steam,
  • be uncontrollable,
  • fret,
  • have a fit,
  • rave,
  • overflow,
  • fulminate,
  • erupt,
  • be furious,
  • throw a fit,
  • yell,
  • chafe,
  • be beside oneself,
  • look daggers,
  • work oneself into sweat,
  • scream,
  • rant and rave,
  • blow up,
  • blow a fuse,
  • bristle,
  • tear,
  • seethe,
  • rampage,
  • splutter,
  • rail at,
  • scold,
  • rant,
  • steam,
  • fume,
  • roar,
  • have a tantrum,
  • make a fuss over,
  • snap at,
  • storm,
  • surge,
  • boil over.
  •snap (verb)
  • lash out,
  • grunt,
  • snarl,
  • bark,
  • vent,
  • growl,
  • flash,
  • grumble,
  • snort,
  • take it out on,
  • jump down throat,
  • retort.

• Other synonyms:

  •
  • get angry.
  •
  • flare.
  •freak out
  • breaking down.
  •rage
  • throwing a fit,
  • raging,
  • foam at mouth,
  • boiling over.
  •snap
  • got angry,
  • take out on.

Antonyms for Fly off the handle:

• v.

  • rage
    praise, compliment, be happy, flatter, be calm, be quiet.
  • snap
    loose, combine, free, liberate, fix.