They are talking about their Nose. Why their noses is so big? :P first one is saying ," Hey, my nose is bigger than you." second one saying," so what ? my nose is more straight than you. haha" second one replied," oh o! i will beat the painter huu." and the painter is reading this comment. :P
He has the bigger nose and the taller hat. I'll have to be more fair next time haha.