An obscure sexual maneuver popularized in Russia, in which the
vagina and anus are simultaneously penetrated, with a
thumb and two
fingers, respectively. The rectum is then pushed outwards into the cervix, where it is rotated by the two fingers.
"
Darryl gave you the three-fingered
bus driver?"
"Yeah. It was the most horrifying experience of
my life. After that we went to Olive Garden."