YOU SAID:

farting all over ur dad's couch

INTO JAPANESE

お父さんのソファーの上で屁をしている

BACK INTO ENGLISH

is farting on your father's sofa

INTO JAPANESE

お父さんのソファでおならをしている

BACK INTO ENGLISH

is playing farewell on your father's sofa

INTO JAPANESE

お父さんのソファでお別れをしている

BACK INTO ENGLISH

is saying goodbye on your father's sofa

INTO JAPANESE

お父さんのソファでお別れをしている

BACK INTO ENGLISH

is saying goodbye on your father's sofa