dead giveaway

something that reveals a fact or an intention completely. The car in the driveway was a dead giveaway that someone was at home.

Name	Pronounced	Usage
ŽIga	-	Slovene
Mihail	-	Romanian, Bulgarian, Macedonian, Greek
Pedro	PE-dro (Spanish)	Spanish, Portuguese
Gozzo	-	Ancient Germanic
Yardena	-	Hebrew
Sang	sahng	Korean