Yiff

It's a yiffy yiff furry, it's a furry yiff yiffy yerf, yerfy yerfy yiff yiff yiffy furries yiffing fur known to make your eyes bleed WITH VENGEANCE.

In conclusion, 'yiff' is Chris Eubank's way of saying 'yes'.

Yiff is also the process by wich vote in the U.S. Congress are tallied wich can be expained as follows, 176X - U + 03C0 +5%XY(-9004Re)(3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510) - 10I = XK