YOU SAID:
Put your pants on your head and dance around.
INTO JAPANESE
あなたの頭のあなたのズボンを置くし、周りで踊る。
BACK INTO ENGLISH
Put your head in your pants and then dance around.
INTO JAPANESE
あなたのズボンであなたの頭を置くし、周りで踊る。
BACK INTO ENGLISH
Put your head in your pants and then dance around.
That didn't even make that much sense in English.