Pinkie's Cocaine dealer is an anthropomorphic cat named Thrilla Vanilla. Things don't go too well for him. A cursory discussion of Equestrian drug culture and policy also occurs. And also interspecies breeding.
"Oh Goody! Another story featuring everpony's favorite ineffable effervescent extraordinary pony, me, Pinkie Pie!"
Pinkie, the story hasn't even started yet.
"Oopsy! Sorry about that! I just got sooooo excited, that..."
Pinkie...
"Heh. Right."