No, you disarm the facetiousness, the same way you'd disarm a trap. Disarming the person wouldn't make sense.
https://en.wiktionary.org/wiki/disarm
> 2. (transitive) To deprive of the means or the disposition to harm; to render harmless or innocuous.
> [quotations] to disarm a man's wrath
https://fr.m.wiktionary.org/wiki/d%C3%A9sarmer
No, you disarm the facetiousness, the same way you'd disarm a trap. Disarming the person wouldn't make sense.
https://en.wiktionary.org/wiki/disarm
> 2. (transitive) To deprive of the means or the disposition to harm; to render harmless or innocuous.
> [quotations] to disarm a man's wrath