The Sexual act of two women, (or possibly men, or a combination of the two) providing a simultaneous blow job on a lucky recipient, usually with each performer sharing a side of the penis. The performers can also 'make out' while the penis is thrusted in between their mouths, this is also sometimes referred to as 'The Rude Frenchman'.
SAM: "Hey Steve, I noticed that both Becky and Tara were all over you at that party last night, so I was wondering...who did you fuck?"
STEVE: "Neither, I brought them both back to my apartment and settled for a Blow Job Sandwich."
SAM: "You call that settling?"
n. The act of two girls performing a blowjob on the same penis simultaneously.
When Carly and Jenna told him they wanted to give him a blowjob sandwich, he almost jumped out of his skin.
This term refers to the act of eating a sandwich while getting a blowjob from the girl who gave you the sandwich. It completely fulfills the woman life duty of making a sandwich, and giving a blowjob. At once.
Man, she gave me the best blowjob sandwich last night.