1. Someone who is incredibly creepy and disturbing.
2. A prude.
3. A floppy vagina.
1. Geez, that guy is SUCH a Phaffly.
2. Man I was just kissing her, and this Phaffly smacked me.
3. Yeah dude, she had such a Phaffly.
by Phaffly January 23, 2011
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