Sheldon, do you understand the IRONY...
The Big Bang Theory Season 8, Episode 24
With cruel IRONY.
The Big Bang Theory Season 4, Episode 2
That's a heaping helping
of IRONY right there.
The Big Bang Theory Season 10, Episode 15
but now is not the time
to enjoy the IRONY of that.
The Big Bang Theory Season 9, Episode 23
He's IRONY impaired. Just move on.
The Big Bang Theory Season 2, Episode 4