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1.
1. The unmistakable foul stench of penis/testicles, usually prominent when very sweaty.

2. The smell of men in general.
1. *takes off boxers after day at the gym* "Jesus, that is a rank peenwhiff"

2. *walks into boys locker room* "Wow. Quite the peenwhiff in here."

3. *walking down the street* "I think I just got a peenwhiff."
by OneWhoLikesAllTheirPrettySongs December 16, 2010