I watched this animation in Newgrounds when I was 8-10(?). I'm 23 years old now, and I remember this specific animation that traumatized me for life as a kid. I miss the raw sensation of it and have tried to find it again but to no avail.
I wonder if anyone has ever seen it. I will describe the video below.
A female kid was urged to sleep by her mother, but she was terrified to sleep because she could feel like something was wrong with her plushies. As soon as her mom left her room, the plushies became sentient and dragged the kid across the floor, then shoved her inside a small pink microwave and blew her up into pieces.
If you happen to know this animation, too, please let me know. I really want to revisit it. Aggh!
TheMusicalManiac
Maybe try the subreddit r/tipofmytongue? Some lost media reddits also exist as well - post there and others might know what you're referring to. A few lost cartoons got found this way!