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
Aoibheann	EE-van	Irish
FÁBio	-	Portuguese
Elmore	['elmɔ:]
Freeman	FREE-mən	English
Gallagher	['gæləhə]
Romanus	-	Late Roman