YOU SAID:
I pulled my pee-pee out and slapped it against the wall.
INTO JAPANESE
私は私のおしっこおしっこを取り出したし、壁に対してそれを平手打ち。
BACK INTO ENGLISH
I pee on my wall to slap it, and pulled out the pee.
INTO JAPANESE
私は、それを平手打ちに私の壁におしっこ、おしっこを取り出した。
That didn't even make that much sense in English.