A slang phrase used by modern teens to describe the act of straight sex.
Dude I totally slappin the sandwich with Peggy the other night. She even let me unload my magazine in her.
Bro that sounds like an epic fluid bonding experience.
When one women is wearing a strap on and she doing a women in the vagina and the other one is wearing a strap on also and she is doing her from anual .
Those three women are making a Lesbian Sandwich