Oh Yeah? is a verbal return to an action or more likely the oral depiction of an action (that may or may not have happened) to which the author of this phrase does not like. This is usually quite a startling way of saying "Over my dead body". Oh yeah? is 'most always followed by physical violence and expletives galore.
Traffic cop: Sir, I'm going to have to tow your car, you parked in the disabled space for two minutes.
Gumba: Oh yeah? Here's a better idea, you goddam little ratbastard!
*sound of nose being broken*
Its An Expression You Use When Something Overwhelming Happens
Matt: Damn, the A's just ate shit hella bad
Kasey: Oh Boyzers
an expression that shows a feeling the same as saying "oh shit" or "damn it"
Oh shizzlenuts - I can't feel my toes.
A ridiculous catchphrase employed by kids who lack the intelligence to respond in a socially sound manner. Often accompanied by an equally annoying hand gesture, similar to the convulsions of a fetal alcohol syndrome victim. (A connection to which the performer is generally oblivious.)
The phrase is generally ejaculated in response to surprising, extreme, or hilarious news.
"Hey man, I was on my way over and two hot chicks threw apples at my car and I crashed into a tree. Then the hot chicks dragged me out of the car, ripped off my pants and gave me a blowjob in tandem."
"Oh, WHAT?!!"
When a person inserts his or her finger into another persons asshole and snaps his fingers. Oh sweet times!
For example:
I hear Chris gave the oh snap treatment last night.
The exact moment where you realize what a big mistake you have made.
*thows grenade at wall by accident; rolls back to your feet. Oh no second incoming in 5, 4, 3, 2, 1...OH NOES!