Definition of "catch it"

catch it

verb
third-person singular simple present catches it, present participle catching it, simple past and past participle caught it
1. (idiomatic) To be severely reprimanded, punished, or beaten.
  Quotations
  "You'll catch it, you know," said Tom, nodding his head in an admonitory manner, and hesitating a little as he took the scissors.
  1860, George Eliot, The Mill on the Floss
  If they beat us, we shall catch it, and serve us right.
  a. 1887, George Bernard Shaw, An Unsocial Socialist
  I'll catch it for your mischief in running away. And I'll catch it again when the tutor claps eyes on the handwriting.
  2003, Sid Fleischman, The Whipping Boy, page 39
2. Used other than figuratively or idiomatically: see catch,‎ it.