Diagram - n/v - A sexual act involving five people, two of whom are men, and three of whom are women.
In a venn
diagram, each of the men has one girl
to himself. The remaining girl
is shared amongst the two men, and is represented
as the overlapping region of the venn
John and Chris: "Hey ladies, want to come back to our place
and Venn Diagram?"
Stacey, Jane and Amy: "Sounds like an orgy baby...yeah, count us in."
Amy: "Shotgun being the overlapping region. I love double penetration."