spill your guts (to somebody)
idiomPart ofgut
spill your guts (to somebody) — idiom
1. To tell someone everything you know or feel, especially when upset.
1.idiom
Definition
To tell someone everything you know or feel, especially when upset.
Example
After the breakup, Lisa spilled her guts to her best friend.
He spilled his guts about the secret plan to the police.