Weep (one's) heart out phrase
To produce a lot of tears from your eyes for a long time because you are sad.
On hearing the news, he broke down and wept his heart out.
She wept her heart out when her father's death was announced.
I remember weeping my heart out on the day I knew I was rejected by all the universities I had applied to.
The verb "weep" must be conjugated according to its tense.
The origin of this phrase is not clear.
Someone who is totally bad at doing something.
Mary really can't sing for toffee.