Well it looks like Pinkie is on her way down the gullet, though i feel Silverstream underestimated the amount of junk in the more mature mare’s trunk XD
 
Part twenty of my Collab with Mrleft ( https://derpibooru.org/profiles/Mr-dot-Left09 ). The other parts can be found here:
 
Part one: https://aryion.com/g4/view/583700
 
Part two:https://aryion.com/g4/view/584087
 
Part three: https://aryion.com/g4/view/587826
 
Part four: https://aryion.com/g4/view/588297
 
Part five: https://aryion.com/g4/view/591163
 
Part six: https://aryion.com/g4/view/594512
 
Part seven: https://aryion.com/g4/view/595135
 
Part eight: https://aryion.com/g4/view/601593
 
Part nine: https://aryion.com/g4/view/603009
 
Part ten: https://aryion.com/g4/view/605306
 
Part eleven: https://aryion.com/g4/view/607106
 
Part twelve: https://aryion.com/g4/view/611003
 
Part thirteen: https://aryion.com/g4/view/615260
 
Part fourteen: https://aryion.com/g4/view/615443
 
Part fifteen: https://aryion.com/g4/view/619907
 
Part sixteen: https://aryion.com/g4/view/622706
 
Part seventeen: https://aryion.com/g4/view/628417
 
Part eighteen: https://aryion.com/g4/view/630521
 
Part nineteen: https://aryion.com/g4/view/633569
 
Part twenty: https://aryion.com/g4/view/638240
 
Part Twenty-one: You are here
 
A story in the source as always, please do not repost it in the comments bellow