1. Stealing an item from any retail location (generally theft under a thousand dollars), and barely getting away with it or being caught in the process. Arrest generally ensues.
Derek: So how did Daquan get that new TV for his friends?
Andrew: Oh he got it with a Detroit Discount.
Something stolen.
Also "midnight discount store."
Bozo: "Hey Cookie, where'd you get that cool watch?"
Cookie: "Let's just say I got the {midnight discount}!"
A discount at a store, restaurant, or other business given for any possible reason, (e.g. expired coupons, government employee discount, police discount, etc).
1. I told the customer I could not issue them a discount because managers said we could not accept expired coupons, but when the customer raised hell and asked to speak to a manager, the manager Billy showed up and gave them a Billy Bob discount anyway.
2. Dude, I came home from Iraq and stopped at Chic-Fil-A on the way home in uniform and they gave me a Billy Bob discount on my meal. They’re an awesome restaurant. I love them.
3. Urban Waitress: “Is y’all in the militaries? Cuz I was going to give y’all a Billy Bob Discount!”
Any person, but especially a man, being openly and offensively misogynistic toward any person identifying as female.
"Hey Suzie, watch out for John, he tried to tell me women don't deserve equal pay because they were inferior. He was totally being a Discount Mario"
When you get an item for free because someone moving out of an apartment left it sitting out for anyone to take. Named so because Allston, MA is a college town, and is in a constant state of resident flux.
"I got the ol' Allston Discount on a bookshelf for my anime collection."
When you kill 2 targets in one shot somehow.
Woah, I got two kills in one, talk about a two-for-one discount.
When a discount isn't actually usable because the people selling the item put rules on it to prevent it from being capitalized
Steve: "Aw man, these chips are buy one get one half off, but they're limiting one bag per customer!"
Eric: "Wow, talk about a real Fuck You Discount."