1. A person that makes generalized, self-evident "observations" in an attempt to bolster his or her sense of worth in a conversation. However, almost all comments made by a Dr. Obvious are as worthless as he or she is.
2. That guy that says what everybody else was thinking twenty mintues ago.
"Dude, I think its broken."
Jeff: "Yeah, I like boobs."
Chris: "Well welcome to the human race Dr. Obvious. Too bad a tool like you will never see any."
Jeff: "Well the problem is ______."
Chris: "Ah, thank you for you expert opinion Dr. Obvious. Now what the fuck are we going to do about it?"