cari istilah yang lo mau, kaya' wyd:
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)
dari Gunhyoung Kamis, 17 Agustus 2006

Kata-kata yang berkaitan dengan in on the joke

figure out jokes on a joke plan secret