YOU SAID:

You better make like diarrhea, and run.

INTO JAPANESE

下痢みたいにして走ったほうがいいよ。

BACK INTO ENGLISH

You should run like you have diarrhea.

INTO JAPANESE

下痢をするくらい走ったほうがいいですよ。

BACK INTO ENGLISH

You should run until you get diarrhea.

INTO JAPANESE

下痢になるまで走ったほうがいいよ。

BACK INTO ENGLISH

You should run until you get diarrhea.