spit it out
US /spɪt ɪt aʊt/
UK /spɪt ɪt aʊt/

1.
used to tell someone to say something they are unwilling to say
:
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Come on, spit it out! What's the big secret?
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He looked like he had something to say, so I told him to just spit it out.
used to tell someone to say something they are unwilling to say