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