Emphutae is a code word for going poop or crap. However, it is most often used in association with 'diahrea' or bad indegestion.

(Em FOO Tay)
"Oh man, I just had to emphutae, I feel so much better now"

(Pointing at toilet) "Emphutae!"

"Go ahead, I don't give an emphutae!"
by Melon Child April 21, 2008
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