cari istilah yang lo mau, kaya' half chub:
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
7 0

Words related to in on the joke

figure out jokes on a joke plan secret