Top Definition
1) A person who wants someone to wear a furry or animal costume and take it up the butt.

2) Can be used as an effective safe word in the middle of rough sex.
1) "she was so freaky, she was a total butpan"

2) "Dude i totally stuck it in her pooper and she screamed" "butpan!"
by scaredofthingsinrear August 05, 2011
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