you know it

you know it

An affirmation confirming what has just been said. A: "Are you coming to the concert on Saturday?" B: "Oh, you know it!"
See also: know
Farlex Dictionary of Idioms.
See also:
  • as you know
  • before you know where you are
  • as we know it
  • AFAIK
  • (I) can't say as I do
  • can't say as I do
  • I know
  • I know you are but what am I?
  • know where it’s at
  • by any chance
References in periodicals archive
Tell her to find her own inner beauty because you know it's there.
"You know it's pronounced `focus,' right?" Chad States asks.
For example, if you see dot-gov you know it's a legitimate site.
According to Joel, "There is nothing more exciting than making a successful landlord-tenant match because you know it's going to impact both parties in a positive way.
You know it's only going to lead to heartache and much of the attraction is because it's wrong and that makes it exciting.
"It's almost like a US Open, in that you know it's going to be slow.
IF IT'S HER: Even though you know it's not her fault, it's hard not to feel like your BFF just up and abandoned you.
"You know it's me, don't you?" These words--which seemed to emanate from a dim light hovering over Joel Rothschild's bed at 2 A.M.
"You can buy something for $300,000 and remember when it sold for 500,000 just a hair's breath ago - so you know it's an incredible opportunity.
You know it's gonna be pandemonium when Kate, Fred, Keith, and Cindy unleash "Rock Lobster." Be there with big hair.
YOU know it's the holidays when the temperature falls slightly, the roads get a little icier, the police get all officious and some of the gritters actually get out.