Just a goofy idea that popped into my head while working on the Bubble Pony avatars. Anypony else’s parents ever tell you this is what would happen if you swallowed your gum?
 
(features modified screencaps from My Little Pony: Friendship is Magic)
 
TRANSCRIPT:  
DOCTOR WHOOVES: …That night, I was standing on the toilet, hanging a clock… when I fell and hit my head which, for some reason, gave me the idea for the Flux Capacitor, which makes time travel… Great wickering stallions! …How are you doing that?  
DERPY HOOVES: Doing what?  
DOCTOR: And this is why everypony told you not to swallow your gum…  
DERPY: But all I had today was one of Pinkie Pie’s new bubblegum muffins…