YOU SAID:

Someone farted in my pants with their dirty sock because they wanted to be mean.

INTO JAPANESE

彼らは平均すると思ったので、誰かは彼らの汚れた靴下とズボンのおなら。

BACK INTO ENGLISH

So I thought that on average they are someone's fart their dirty socks and pants.

INTO JAPANESE

平均でいる誰かのと思って彼らの汚れた靴下とズボンをおなら。

BACK INTO ENGLISH

Farting thought of someone who on average and their dirty socks and pants.

INTO JAPANESE

おなら人の平均と自分の汚れた靴下とズボンの誰かと思った。

BACK INTO ENGLISH

For the average person fart and I thought someone in his dirty socks and pants.

INTO JAPANESE

普通の人のおならと私は彼の汚れた靴下とズボンで誰か考えてください。

BACK INTO ENGLISH

And the average person fart I think someone in his dirty socks and pants.