Unknown person who sits around doing nothing all day eccept playing on his gameboy advance, not making a sound, standing up on the tube, helpless little thing with fuzzy hair in wierd places, a perfect pet for a depressed goth wanting to make a human/animal/thing sacrafice to some wierd unknown god called Erik
Tani Mc Dowel A Boy in My Class
by Zitt Munch September 17, 2004
The nearly microscopic area between the taint and the anus. Because of its proximity to the literal asshole, 'tanis' is often used as an insult intended to signify that the person in question associates with assholes.
Hanging out with Stunkel again? You're such a tanis, Glenn.
by Jerome Sampson January 07, 2011