to be caught on the hop

jelentés / meaning:
váratlanul érint valami, felkészületlenül ér valami

to be in an unprepared situation
 
if you catch someone on the hop, you do something when they are not ready for it and may not be able to deal with it well 

 "That kiss really caught me on the hop."
forrás/ source: link
 példák / examples:
  • I'm afraid you've caught me on the hop - I wasn't expecting your call until this afternoon. 
  • I'm afraid you've caught me on the hop - I wasn't expecting you till next week.
  • If we attack at the very start of the game, we may just catch their defenders on the hop.
  • My daughter caught me on the hop yesterday. 
  • The new ruling caught me on the hop. 
  •  Make sure everything is ready well in advance otherwise you will be caught on the hop.

  • A : Debbie had a baby a week after marrying Derek Dim. Derek didn't even know his wife was pregnant.
  • B : Yes, the baby caught him on the hop -- he thought Debbie was just very fat.