Code word used by homosexuals for getting your ass licked. Vegemite sandwich was originally popularized by “men at work” in their 80’s song “Down under”.
There are numerous references to the homosexual community in the song. Read the excerpt below and see the “Real Meaning”.
"Buying bread from a man in Brussels
He was six foot four and full of muscles
I said, "Do you speak-a my language?"
He just smiled and gave me a vegemite sandwich"
The act of smearing mayonnaise in a skank's butt crack,
followed by simultaneously squeezing her ass cheeks together while licking out the mayo from back to front, culminating in an explosion of creamy tuna goodness. Celery optional.
This phrase is commonly used to imply that you don't really care. Mostly used after lengthy discussions, and boring topics.
Girl 1: I was eating a burrito, and suddenly i forgot my guacamole! So i rushed to the store, but they were all out. All they had were fajitas, so i grabbed one of those and headed back. Can you believe that?
Girl 2: cool story, bro. Now go make me a sandwich.
ABCNews.com: meat, sweet, or debt deal? the mystery of the satan sandwich
sean: what is a 'satan sandwich'?
roberta: it's just DEVILed eggs and HELLman's mayonnaise, duh