give away

verb
RareNot in standard dictionaries
1

To make a gift of (something).

2

To sell very cheaply.

3

To relinquish control over.

4

To formally hand over a bride to the bridegroom; often by her father.

5

To unintentionally reveal a secret or divulge undisclosed information; to betray or expose someone.

6

To concede an advantage in weight, time, height etc.

7

To concede.

#informal