lose one's head
• lose self-control; panic.
Similar:
lose control of oneself,
lose one's composure,
lose one's self-control,
lose one's equilibrium,
lose control of the situation,
go to pieces,
fall to pieces,
panic,
go mad,
get flustered,
get confused,
get angry,
get excited,
get hysterical,
lose one's cool,
freak out,
crack up,
go into a (flat) spin,
throw a wobbly,
Opposite:
keep control of oneself,
