Can somebody explain the whole muffin-obsessed Derpy fanon to me?

Chief Keef

I have a question: how does a character who says a word once get labeled as obsessed as what that character said, like when Derpy allegedly said “muffin” in Applebuck Season? That would be like me saying “pizza” when I see it and then getting labeled as pizza-obsessed (and I friggin love pizza). And how does the clip on her bags make her muffin-obsessed? It’s like the only thing about Derpy is muffins, mail, and her fanon daughter (which is obviously not canon). It amazes me that there are bronies who would love to hang with Derpy and make muffins all day, because if you met someone like that in real life, you wouldn’t want to hangout with that person, since all that person would talk about is muffins, making him or her annoying and boring. Really, it’s only because it’s Derpy that they’d want to hang. I mean, muffins could be her favorite food, but that doesn’t mean she has to be obsessed with them.
 
Anyone care to explain?
PrisonedMuffin
Fine Arts - Two hundred uploads with a score of over a hundred (Safe/Suggestive)
The End wasn't The End - Found a new home after the great exodus of 2012

Well, that’s just fanon. As crazy as it might be, you won’t be ever able to change it because fans would shoot you down for thinking differently. Fanon can be very strange at times.
Rainbow Dash
Wallet After Summer Sale -

Muffins was her first word in the show I believe, so her and muffins became something special to a lot of fans. The extensiveness of the fanon surrounding it has little to do with the show itself, but rather the fans expanding on something that would otherwise be insignificant.
Niggoslav_Krawczyk
Duck - Niggoslav_Kwaczyk
A Perfectly Normal Pony - Drinky_Butt
The End wasn't The End - Found a new home after the great exodus of 2012

@PrisonedMuffin Then what should it be oh wise purveyor of pony perfection?  
I’ve really only encountered two fandoms for Derpy, and they’ve pretty much become interlinked fanon-wise, though canon appears to have gone with Dinky being completely unrelated. Which leaves…Only one.
PrisonedMuffin
Fine Arts - Two hundred uploads with a score of over a hundred (Safe/Suggestive)
The End wasn't The End - Found a new home after the great exodus of 2012

To think that one word by one can define one’s personality. So whenever I say “burger” when I see a delicious looking burger, by brony logic, I must be a completely and totally burger-obsessed retard, when in reality, our favorite foods are not our obsessions.
archestereo

@PrisonedMuffin
 
…to be fair, the “baked bads” looked far from edible to start with and “all the ponies in this town are crazy” to think that what they were looking at would be a delicious treat; they really only had themselves to blame for becoming hospitalized.
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