zoek een woord op, zoals tbt:
 
1.
Knows the secret of something
If I'm planning to throw a suprise party for one of my friend's birthday. He is the only one who's NOT in on the joke about the party.

(Special thanks to one of my Canadian friend)
door Gunhyoung 17 augustus 2006

Words related to in on the joke

figure out jokes on a joke plan secret