demo
1.
n. a demonstration (of something).
Can I have a demo of this model?Hey, Chuck, give this man a demo.
2.
tr. to demonstrate something (to someone).
Let me demo this for you so you can see how it works.Will someone please demo this computer?
3.
tr. to demonstrate (something) to someone.
I've got to go demo these people on this software.Can you demo me before you go?
dog and pony show
n. a demonstration; a speech, skit, or other presentation that is presented often.Wally was there with his dog and pony show about water safety.I've seen that dog and pony show so many times, it's like I know all the words.