Misai

Boy : *run run* Mommy! Mommy!!

Mommy : What is it, dear?

Boy : Mommy, I saw Daddy's bird.

Mommy : What?!

Boy : I saw Daddy's 'bird bird'. He went 'shi-shi' and didn't close the door. So I went in and saw it.

Mommy : Ha ha ha .. what so surprising? You also have 'bird bird' mah. he he he

Boy : Different la, Mommy.

Mommy : Same lar.

Boy : No lar Mommy, Daddy's one black color one, and got misai!

Mommy : ROTFLOL!!

misai : Malay meaning mustache (or moustache)