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1 definition by El Gatito Demoniaco

 
1.
verb: to have netsex while pretending to be animals or furries (anthropomorphic animals), frequently practised in the furry fandom

noun: 1. a session of said netsex, 2. pornography featuring furries

adjective (yiffy): sexy or horny, in a furry context
"Hi, I'm an anthro white-tailed deer with a 12 inch cock, wanna yiff?"

"Doug Winger? He's that guy who draws nothing but yiff, isn't he?"

"U look yiffy, I want U be naughty on me"
by El Gatito Demoniaco December 21, 2002