Bisexual sandwich
A sex position involving two men and a woman. One of the men penetrates the other's ass, while the guy in the middle penetrates the woman's pussy.
Did you hear Todd got into a bisexual sandwich with Mike and Emma last night? He was in the middle, I hope he's okay
Bisexual sandwich
a small group of 2 or more bisexual males sitting in each other's laps while doing something together.
the 3 were in a bisexual sandwich while playing smash brothers at a library