off the deep end
Extremely angry.
I told him that I'd broken the vase, and he went off the deep end.
VERBS
be, look
That hole in the ground is quite deep, so we need to be careful.
ADV
really, very | fairly, pretty, quite
PHRASES
ankle/knee/waist deep
The snow was so heavy that the children were waist deep by the end of the afternoon.
VERBS
be, sound
His laugh was so deep that everyone in the room could hear it clearly.
become
ADV
very | fairly, quite
VERBS
be, go, run
The family's love for their tradition runs deep, passed down through generations.
become
ADV
very
She felt a very deep sadness when her grandmother passed away last year.
fairly, quite