It's my one squick in fanfic, and you've just hit it dead on.

Oopsies!

Yeah, you sound so innocent there!

Dude, I give evil lessons to Lance :-)

I can believe it! In fact as soon as I saw that costume I knew he'd been listening to you. I mean cracked out zombie fic with cock chewing JC one day, the next Lance in chewed cock costume. Coincidence? I think not!