Meaning
What does Pull the Trigger, Piglet mean?
Pull the trigger, Piglet refers to a gruesome fanfiction comic, based on Winnie the Pooh.
The comic depicts Winnie bit by dead zombie Tigger, pleading for Piglet to put him out of his misery.
It inspired fans to create animations and fanfiction stories.
Origin
What's the origin of Pull the Trigger, Piglet?
The original “Pull the trigger, Piglet” was uploaded to Tumblr on January 5th, 2014, by user iguanamouth, after an anonymous user asked them to draw Winnie the Pooh.
The comic amassed a large amount of likes on Tumblr, being reposted to other sites.
Spread & Usage
How did Pull the Trigger, Piglet spread?
On August 1st, 2014, FanFiction.net user TemptressOfTheSouthernIsles uploaded a fanfiction story, centered around the scenes depicted on the “Pull the trigger, Piglet” comic.
The comic would also be shared on sites like Reddit, as well as 9GAG.
On December 14th, 2018, YouTube user Neon Monkey uploaded an animation about the scene.

External resources
- Reddit – r/funny