maghanap ng salita, tulad ng sex:
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)
ayon kay Gunhyoung ika-17 ng Agosto, 2006

Words related to in on the joke

figure out jokes on a joke plan secret