tip one's hand

Accidentally reveal one's intentions, as in He avoided any comments on birthdays for fear of tipping his hand about the surprise party . This idiom probably alludes to holding one's hand in such a way that others can see the cards one is holding. [Colloquial; early 1900s]

Common Names:

Name	Pronounced	Usage
Gretta	GRET-ə	English
Avinash	-	Indian, Hindi, Marathi, Telugu, Kannada
Hogan	['həugən]
Tsukiko	tsoo-kee-ko	Japanese
Gintaras	-	Lithuanian
Delta	DEL-tə	English