And also machan , they are our opposite sex. So we need to respect them, if we don't respect them then we are no longer boys or boyhood is valid after that. Seriously , why we can't use 'Yoni ,penis ' instead of 'සුත්තවල්,ටොයියවල්'.
What if your girl speak vulgar always and ask you for sex ? Would you feel uncomfortable or un plasent about that? So the same is true with females. it's oky to say that kind of word when we are playing a cricket match. But they are not appropriate in-front of your opposite sex.