Wiktionary
interj. 1 (context onomatopoeic apocryphal English) Representing the bark of a fox (especially while mating). 2 (context of a person informal English) To express happiness, to state that something is sexy. n. 1 (context informal English) A bark. 2 (context slang informal English) The act of yiffing. 3 (context slang informal English) Pornography of furry (fictional anthropomorphic animal characters). vb. 1 (context intransitive apocryphal English) To bark (said of foxes). 2 (context intransitive of a person apocryphal English) To bark like a fox (especially in a sexual way). 3 (context transitive and intransitive slang informal English) To have sex, to mate (said of animals, especially foxes). 4 (context transitive and intransitive slang informal English) To propose cybersex.
Usage examples of "yiff".
To Yiffer she said, "Take some money out of my purse and go down to the corner and get a pizza.
Sam watched in amazement as Yiffer mouthed the ice cream until he got his jaws closed around it, then swallowed the whole clump, dipping his head snakelike to facilitate the passage.
She ran the rest of the way up the steps and Sam helped her wrestle the door open, then he stepped out of harm's way as she stormed by him to Yiffer, who was still bent over, now holding his temples.
Nina was calling Yiffer an idiot and going on about a newspaper ad being misplaced.
Sam could hear the kitchen screen door ripping off the hinges as Yiffer went through.
Outside, the sounds of Nina screaming down from the top of the stairs, Yiffer pounding on Lonnie's door, and J.
He had gone sixteen hours without a smoke and was feeling as if he would snap like Yiffer in a few minutes if he didn't get some nicotine into his system.
Sam stood up and Yiffer covered his head as if expecting an explosion.
Then he drove to Calliope's house and found Yiffer and Nina getting out of the van as he pulled up.