The lovechild created when the goddess of bitchiness and the pimp of dirtiness get too drunk at the annual Christmas party of the heavens and 'get down to it'- as the pimp of dirtiness would say.
The bitirty being, despite being the creation of an incredible mistake, has the unique ability to find the perfect balance between dirty and bitchy creating some of the most unique and funny moments imaginable
p.s this is shite and ive just wasted 5 mins of your life
"Are you more a bitch or more dirty minded?"
- "I'm both. I'm bitirty."