To throw up or expel something from within.
I feel like i'm gonna yiff. Did you see that guy yiffing all over the place.
by Ty C May 21, 2006
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The Furry Fandom's word for Sexual Intercourse, where two furs have a sexual affair. The word originates from the noise a fox creates when it mates. The phrase is used for sexual acts universally involving furries, not just specific acts.
"The lion wanted to yiff the wolf, which was blatantly obvious due to the growing package in his pants, his sheath revealing an ever-shy member."

"The wolf explained to his furry friends about how yiffy he felt by simply standing near his lion friend."

"The canine yiffed the feline in a pleasurable matter, resulting in loud purrs and murrs of great enjoyment."
by Caleb Griffith September 21, 2006
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to yell and sniff near-simultaneously
Mathew yiffed a fresh cake that had stolen his wallet.
by Kat9 November 13, 2016
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To yell and sniff
"He yiffed me and told me I smelt like cheese"
by MatPat Inpersonator October 21, 2019
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(Onomotopia.) A bark made by a fox when aroused. Usually referrs to the sound made by the male of the species.
The yiffs of the foxes in the field signaled a new fox family being born.
by Shanya Almafeta May 9, 2003
Get the Yiff mug.
The Furry Fandom's word for Sexual Intercourse, where two furs have a sexual affair. The word originates from the noise a fox creates when it mates. The phrase is used for sexual acts universally involving furries, not just specific acts.
"The lion wanted to yiff the wolf, which was blatantly obvious due to the growing package in his pants, his sheath revealing an ever-shy member."

"The wolf explained to his furry friends about how yiffy he felt by simply standing near his lion friend."

"The canine yiffed the feline in a pleasurable matter, resulting in loud purrs and murrs of great enjoyment."
by Caleb Griffith September 21, 2006
Get the Yiff mug.