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
Archelaus	ahr-kee-LAY-əs (English)	Ancient Greek (Latinized), Biblical Latin, Biblical
Vlasi	-	Russian
Merit (2)	-	Swedish
Bean	[bi:n]
Isabell	ee-zah-BEL	German
Tornike	-	Georgian