YOU SAID:

I want to pee in your brown hat.

INTO JAPANESE

私はあなたの茶色の帽子におしっこしたいです。

BACK INTO ENGLISH

I would like to pee on the hat of your brown.

INTO JAPANESE

私はあなたの茶色の帽子におしっこをしたいと思います。

BACK INTO ENGLISH

I would like to pee on the hat of your brown.