you'd better believe it

Also, you better believe it. You may be assured, as in You walk ten miles every day?-You'd better believe it! This imperative is almost synonymous with you bet your ass. [Colloquial; mid-1800s]

Common Names:

Name	Pronounced	Usage
Tiana	tee-AN-ə	English
Tzion	-	Hebrew, Biblical Hebrew
Iustinianus	-	Late Roman
Azura	a-ZHUR-ə, AZH-rə	English (Rare)
Henderson	HEN-dər-sən	English
Morwen	-	Cornish, Welsh