She may just need to start wearing some underpants.
I feel like folks would just ask her to cover her thing, and might not demand explanation of it.

Hi

“ba-dum” “chhhh”

@Background Pony #F907  
…or just keep wearing THAT skirt and just use one of her friends as a cock sleeve… maybe Rainbow Dash?

Wear a longer skirt.

GET THE CHASTITY BELT!!!

@Scygnus  
““Ughughghghghgh”” i lolled out at this point.

“Ehehe, it’s actually a funny story, see- Rarity! What are you d-doing!?”
 
“Don’t mind me darling, just keep explaining and I’ll keep listening.” slurp
 
“I d-dd-d-don’t think that’s such a good”
 
“That’s so hot.”
 
“FLUTTERSHY!?”
 
“For the sake of being able to tell every guy ever ‘I’ve seen bigger.’ at the very least.”
 
“Dammit Rainbow!”
 
“Now, I ain’t into no bestiality, but you can’t work around horses and not get a little curious about what it’s like to work with one THAT big.”
 
“AJ!!!!!”
 
“PRETTY PURPLE PONY PRINCESS PENIS PARTY!”
 
“Ughughghghghg!”
 
~
 
And they agreed to never speak of it again… except as a reminder to contain the flood during subsequent events.

No, that’s going to be hard… period.

Wow, look at her face; she’s SO pretty!
 
The cock is a nice touch, too.

Why is this image explici…  
OH  
Oh myyy

No, it’s going to be difficult, it won’t be hard until you actually see the others

Heheh. :3c

Just try though…

No need to. Just lay back and I’ll take care of it.

Something tells me you shouldn’t bother.