Top definition
Extending your middle and ring fingers while holding your index and pinky down with your thumb.
Used to designate yourself as part of the Furry community or silently indicate something concerning Yiff.
I wasn't sure what his fetish was until he flashed the International Sign of Yiff
by Ash3taka August 05, 2010
Get the mug
Get a International Sign of Yiff mug for your dog Helena.