Hold the acronym

Sub-shop girl: "I don't know what this means, 'AV', what is that?"

Sub-shop guy: "It means they want Avocado added to their sandwich"

Sub-shop girl: "Oh, why didn't you just write it out then? "AV" could
mean anything"

Sub-shop guy: (sarcastically) "Oh, like what?"

Sub-shop girl: "Well, I thought it meant 'Italian 'vinaigrette'"

Sub-shop guy: (snorting) "Yeah, except Italian starts with an "I" and
not an "A."

- Subway

-- Submitted by pdxotaku