millie
n. countablen. a slang word for one million, especially when talking about money. It is very informal and used mostly in casual conversation.
n. a slang term for one million, typically used in reference to currency or units of measurement. Highly informal and often associated with urban or youth sociolects.
He just signed a contract worth a couple of millies.
After the video went viral, it racked up over ten millies in views within a single week.
While the official report cited the exact figure, the investors were more interested in how many millies the startup would burn through before reaching profitability.
Clipping + -ie.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Typically used in the plural ('millies') to refer to multiple millions.
Last updated May 7, 2026