When one defecates upon a lateral surface and masturbates atop said defecation with one's semen. Henceforth: bologna sandwich.
The robber left a bologna sandwich on my grandma's bed.
by ohmyghattos November 23, 2008
The act of taking a penis, and putting it between (sandwhiching) the lip's of one's vagina, or butt. Usally done with period blood as ketchup, or cum as mayo, in between it all
"I totally got a bologna sandwich last night!"
by Speaker. November 23, 2011