by Trent89 May 08, 2010
by Brain129 July 19, 2010
During sex, when a man and a woman share a double sided dildo, thus simultaneously penetrating the anus of both individuals during vaginal intercourse.
I had a Buck Double last night. It wasn't at all what I expected, and I can't believe they actually advertise it in public.
by Leroy M. Jankins April 08, 2011