We did nothing but for fun whole day .
We did shit but for fun whole day.
We had fun whole day but did shit.
We had fun whole day without doing nothing.
以上四句可以表达这个意思，1、4适用于普通交流之间，2、3适用于朋友之间的玩笑话，但是在美剧或者电影中2、3会用得更多。
这里的shit并非“屎”的意思，而表示一种痞子态度，跟中国“屁事”表达思维更为接近。