
Fess up
Informal Tone
Used mostly in casual conversations, not for formal situations like business meetings or official documents.

You need to fess up to eating the cookies; Mom won't be mad.
Slight Urgency
Implies a sense of urgency or a pressing need to reveal the truth.

Come on, fess up now before things get worse.
Friendly Connotation
May sound friendly or coaxing, less harsh than a direct command.

I know you're hiding something. Fess up!
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