Idiom Definition:
Your browser does not support the audio element.
"to go mental"
to become upset or angry or excited to the point of radical or crazy behavior
Synonyms:
ballistic, bark, berserk, blow, composure, crack, erupt, flare, flash, freak, fume, haywire, lash, nuts, rail, rant, retort, scream, snarl, snap, storm, temper, vent, yell
This fellow is
going mental. - - - - ->