you better believe it
see you'd better believe it.
“You Guys”: Is There A Better Option?Hey, y’all, it’s time to talk about you guys. We don’t mean you specifically ... but the term itself.
yotta-, yottabyte, yottahertz, you, you bet your ass, you better believe it, you can catch more flies with honey than with vinegar, you can lead a horse to water but you can't make it drink, you can lead a horse to water, but you can't make him drink., you can say that again, you can't fit a round peg in a square hole
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.