I see "whether others interprete the names correctly" as part of the test for a trope, so...
A Side of Poison: Assuming it's about a character commenting on the poison in food in culinary terms (as affecting the taste or being part of recipe),
- Elminster in Hell had a flashback to the good old times when the protagonist already was a semi-divine being, but the elves didn't tire of playing "Defeat Means Friendship" with him yet:
Lady Laurlaethee Shaurlanglar: ...That moonwine you drained oh so elegantly was laced with enough srindym to kill a dozen overambitious human magelings.
Elminster Aumar: Well, that's certainly blunt enough. Being a thirsty beast - and one of course quite devoid of proper manners, I wonder if I might have some more of this excellent wine. I believe the srindym improves it somewhat.
Father of a Thousand Bastards - again, FR:
- Forgotten Realms got the King of Cormyr, Azoun IV, who became rather infamous for this. Quoth his Royal Magician's comment on seeing too many young nobles with familliar features at once - "Moderation, my liege?"