Up and Down

was at parents house and then Justin said he wanted to pee and asked my dad to accompany him to the toilet...

JT: koong koong you see ah...
Dad: see what?
JT: you see my kkb can go up and down wan..
Dad: Huh?
JT: *pee and his kkb went up slightly, then stop and his kkb went down, pee again and went up again and stop peeing and his kkb went down* You see? My kkb can go up and down wan *big smile*
Dad: LOL!