Definition from Wiktionary, the free dictionary
Shortened from zeppelin
zep (plural zeps)
- (US, dialectal) A certain type of submarine sandwich
1991, Jerry Spinelli, Dump Days, page 10:
- Anywhere else, it might be called a hoagie, or a sub, or a hero. In Two Mills it's a zep. And even though at first it might look like the others, it's not. Like, you'll never find lettuce on a zep. Or mayonnaise.