Out of water? (Fantia)

Hi, guys. It's time for songkran festival or the water war. 

The little boy at the dark corner while he hide and preapre to attack someone. The uninvited guest is appear and aim a water gun to him. The little boy panic and his hand maybe slip his pant laces and made it loose plus the wet trouser made it down.

Boy: Dammit! why it has to loose now!?
Man: Poor boy, your water gun out of water? 
Boy: "Uwa.... Dang how's he appear at my back?"  N-not yet. I have a secendary gun.
Man: Oh yeah I think so... Let me see the gun under your pants.
Boy: Eh? what? T-this is not you think....

Enjoy!