- [“demo]1. AND dem [dem] n. a member of the Democratic Party.□ A couple of dems are running for the caucus, but no other party is represented.□ Which demos are they?2. n. a demonstration (of something).□ Can I have a demo of this model?□ Hey, Chuck, give this man a demo.3. n. an automobile or other machine or device that has been used by a dealer for demonstration purposes.□ I can give you a demo for half price.□ Do you have any demos?4. tv. to demonstrate something (to someone).□ Let me demo this for you so you can see how it works.□ Will someone please demo this computer?5. tv. to demonstrate (something) to someone.□ I’ve got to go demo these people on this software.□ Can you demo me before you go?
Dictionary of American slang and colloquial expressions. 2015.