Among other comments, monoshiri gave me this:
"But if we are to believe the stickyfics out there, Megatron's already done everyone and everything this side of the Andromeda galaxy with his Huge Robo-Wang of DOOM, then it wouldn't really be a deflowering but another notch on Megs' bedpost.
And then poor Astrotrain could seek comfort in the arms of Perceptor after being spanked by Megatron."
For extra, bonus context, see the accompanying meme in her journal.
ETA: *realizes that she totally ought to cut this*