Give (oneself) away verb phrase
To reveal, usually in an unintentional way
I planned a surprise birthday for my mom, but I gave myself away.
After giving herself away, Mary felt embarrassed and moved away.
If I hadn't spent my winnings, I wouldn't have given myself away.
To let a secret out by accident
To talk freely and unintentionally disclose private information or secret to others
To accidentally reveal what you are going to do or what you believe
1. To stop talking or thinking about something.
2. To unintentionally disclose important or confidential information.
The verb "give" must be conjugated according to its tense.