1. Russian vampire that function during daylight hours. Eats children then their parents. Said to be the most vicious vampire.
2. A slang term for someone who has sex with a girl and then has sex with her mother, a mother f*cker
2. A slang term for someone who has sex with a girl and then has sex with her mother, a mother f*cker
by Farenheights October 12, 2004
The upir are the most feared of the supernatural because of their blood thirsty fangs and their ability to hypnotize.
by Hemlock999 April 26, 2013