Oh, yeah?

oh yeah

1. Used as an interjection to affirm something, usually enthusiastically. A: "Do you really think we have a chance at winning?" B: "Oh yeah! I think we have a great chance!"
2. Used as interjection to express interest in something someone is saying. A: "My father works as a piano tuner." B: "Oh yeah? How'd he get into that?"
3. Used as an interjection to express disbelief of or childish hostility toward something someone is saying. A: "One of these days, I'll be running this place." B: "Oh yeah? Let me know how that turns out for you." A: "You're just a big stupid head!" B: "Oh yeah? Well, you're a bigger, stupider head!"
4. Used as interjection to indicate that one has just remembered or thought of something. Oh yeah, that's what I wanted to ask you: where did you get that suit? A: "And then you just restart the computer to finish installing the software." B: "Oh yeah, duh, I knew that."
See also: oh, yeah

Oh, yeah?

Inf. Is that what you think? (Rude and hostile.) Tom: You're getting to be sort of a pest. Bill: Oh, yeah? Tom: Yeah. Bob: This sauce tastes bad. I think you ruined it. Bill: Oh, yeah? What makes you think so? Bob: My tongue tells me!

Oh, yeah?

(ˈo ˈjæə)
exclam. Is that what you think?; Are you trying to start a fight? Oh, yeah? What makes you think so?