You're kidding! — react with disbelief
expressionB1IELTS 4+informalcore
An informal exclamation showing you're surprised and can hardly believe what someone just told you.
Pattern: You're kidding! (often + 'No way!' / 'Really?')
In use
- You're kidding! She quit her job and moved to Spain?reacting to gossip
- A: They cancelled the whole trip.
B: You're kidding! After all that planning?hearing surprising news
Common mistake
✗ You are kid me!
✓ You're kidding!
It's a fixed reaction: 'You're kidding!' — not 'You are kid me'.
Don't confuse it
'You're kidding!' reacts to surprising news; 'Are you kidding?' can mean 'be serious / no way' as a complaint.