What is Instant Expert?
1.
Somebody who does an
Person one: "Who, Jason just blistered me with his list of who are the best and worst American Presidents."
Person two: "Yesterday, he didn't know anything about them."
Person one: "Yeah, well, today, he's become an instant expert.
See
2.
Someone who looks up a word or a fact on a search engine, such as {Google}, looks at a few articles or definitions, mostly on {Wikipedia}, and decides they now know everything about it.
Person one: "Whoa. So now Jason started an argument with me about which of the American Presidents are the best and worst. Yesterday, he didn't know anything about them."
Person two: "He {Googled} them, obviously."
Person one: "you're right. He's become an instant expert."
See