You had better believe it!

You (had) better believe it!

exclam. It is true without question! Yes, this is the best, and you had better believe it!

Name	Pronounced	Usage
Angie	AN-jee	English
Van	VAN	English
IsibÉAl	-	Irish
Dieuwert	-	Frisian
Evdokija	-	Macedonian
PervİN	-	Turkish