A form of enema involving a liquid so hot in temperature, it causes the one experiencing it to shout out the work "PHVREE" based merely on spur-of-the-moment agony.
1-

Doctor: "Ok, this phvree may hurt a little..."

Patient: "Huh? What the hell is a- PHVREE!! MY ANUS!! IT BURNS!!"

2-

Guy #1: "Hey dude, have you ever noticed that 'Phvree' rhymes with 'Bree'?"

Guy #2: "No, I totally didn't realise that."

Guy #1: "Yeah, it really makes you think..."
by definitelynotsirenigma September 16, 2007
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