
I hope that's a RHETORICAL question
because I have no clue.
The Big Bang Theory Season 6, Episode 1

Although it occurs to me, you may
have been employing a RHETORICAL device...
The Big Bang Theory Season 1, Episode 10

Oh. Okay. You know, I don't want
to criticize your RHETORICAL style...
The Big Bang Theory Season 1, Episode 15

It was a RHETORICAL question.
The Big Bang Theory Season 11, Episode 10

...threat you might levy,
RHETORICAL strategy, plea, invocation...
The Big Bang Theory Season 3, Episode 12