Based on over 30, votes, Fred is ranked number 1 out of 1, choices. Agree? Disagree? Place your vote on the top 10 list of Worst YouTube Channels. XNXX delivers free sex movies and fast free porn videos (tube porn). Now 10 million+ sex vids available for free! Featuring hot pussy, sexy girls in xxx rated porn clips. Yiff is a slang word used in the Furry fandom with a large variety of meanings. Although originally being something as simple as a greeting, it has over time gained more explicit meanings, referring to sexual intercourse between furries and the onomatopoeic sound produced by that.