YOU SAID:

I kicked a dog and farted on my step grandma who is taking a bath on a seaweed

INTO JAPANESE

私は犬を蹴って、海藻の上で風呂に入っている足のおばあちゃんに屁をかけた

BACK INTO ENGLISH

I kicked the dog and farted at the grandmother with the legs who was taking a bath on the seaweed

INTO JAPANESE

私は犬を蹴って、海藻に風呂に入っていた足でおばあさんに屁をした

BACK INTO ENGLISH

I kicked the dog and kissed the old lady with my feet while taking a bath in the seaweed

INTO JAPANESE

私は犬を蹴り、海藻の中で風呂に入りながら、足で老婦人にキスをした

BACK INTO ENGLISH

I kicked the dog and kissed the old lady with my feet while taking a bath in the seaweed