"A fursona (pl. fursonae), is a furspeech portmanteau of the terms furry and persona (or in the case of the alternative term furson, person) and refers to a character or identity assumed by a person or player normally associated with the furry fandom." (from WikiFur)
Furries are hideous, deviant, perverse semi-humans (they prefer to be called anthros) who enjoy dressing up as animals and doing sick, disgusting things to each other. Semi-humans just like you.
This test will reveal to you, with 100%* accuracy exactly what your hidden (or not-so-hidden) fursona truly is. Then you can share your vile, misshapen inner self with the world on blogs and stuff.
So, *shudder*, let's dig deep inside that corpulent, pus-filled mass you call your psyche, and begin...
* percentages offered in the same style as digital storage manufacturers offer GB