yeah

(yeah,) sure

I don't believe you; that's not true. A: "I once caught a fish that was longer than you are tall! I, uh, just didn't have the heart to kill such a majestic creature." B: "Sure, Bill. Whatever you say." A: "I heard the government is looking into eradicating income tax altogether." B: "Yeah, sure. Next thing, they'll be paying you to stay at home in bed all day." A: "Sarah said she was going to clean her room this weekend." B: "Ha! Yeah, sure! I'll believe it when I see it."
See also: sure

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

yeah, right

I don't believe you; that's not true. A: "I once caught a fish that was longer than you are tall! I, uh, just didn't have the heart to kill such a majestic creature." B: "Yeah, right, Bill. Whatever you say." A: "Sarah said she was going to clean her room this weekend." B: "Ha, yeah, right! I'll believe it when I see it."
See also: right
Farlex Dictionary of Idioms.

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!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

ˌoh ˈyeah?

(spoken) used when you are commenting on what somebody has just said: ‘We’re off to France soon.’ ‘Oh yeah? When’s that?’ (ironic) ‘I’m going to be rich one day.’ ‘Oh yeah?’ (= I don’t believe you.)
See also: oh
Farlex Partner Idioms Dictionary

Oh, yeah?

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

yeah

(ˈjæə and ˈjæɔ)
interj. yes. LEFTY: You okay? BRUNO: Yeah. LEFTY: Yeah? BRUNO: Yeah! I said yeah! Did you hear me say yeah?

Yeah, right!

exclam. the ultimate sarcastic response of disbelief. Yeah, right! You were just going through my desk looking for a pencil.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • (yeah,) sure
  • yeah, right
  • Yeah, right!
  • lose (one's) heart to (someone)
  • lose heart to
  • lose one's hear to
  • lose your heart
  • tall drink
  • tall timbers
  • timber
References in periodicals archive
Yeah, I found two rolls of photos of my face from that night.
But yeah, modifications for this bike: new exhaust and chip, I lowered it, I have my forward controls, and I'm getting new rims.
Leo Romero
Yeah, I think there was a certain spirit about the show where it was just me and my friends having fun, and it translated.
Yeah, you definitely demystified the thong on that show, I think.
Kicking with Johnny Knoxville: he brought sexual anarchy into America's living rooms with Jackass. Now he's a sex saint with three gay bear apostles in John Waters's A Dirty Shame. Meet a Southern man without inhibitions
Heard: Yeah. I served six, and then I got out and was on parole, when, in the next eleven months, I was locked up again.
Heard: Yeah, well, I got a whole lot of interest, and I'm glad, but I can only attribute it to a sort of innocence.
The Nathan Heard interviews
Yeah. We all grew up really close to there and we skated there everyday
Yeah. That was the company Scott, me, Pearcey, this guy Dan Novak, Josh Mott, Dennis Etall, Esao Andrews--we all rode for it.
Erik Ellington: the thrasher interview
Yeah. We saw some dude in a little homemade go-kart ride down it.
Yeah. He built in pretty good steering and had some brakes on it.
Peter Ramon Detta interview
Yeah. I'm a winner, 'cause all my friends are losers.
Vanessa Torres
Yeah. I think there probably are but they're in denial.
Dan Murphy: "I give 'em the Houdini"
Yeah. I went through a cussy phase, but I've grown out of it.
Josh Harmony
Well, yeah. I slammed on it again and it's a bit sketchy.
Ali Boulala: "it was like Vietnam, man!" (Heads_Boulala)
Yeah. If you could sum up the man, Billy Marks, in two words what would they be?
BILLY MARKS