You were dropped on your head as a child, weren't you?
— Everything that makes reference to this trope, ever!
Squidward: Were you dropped on your head when you were a baby?
Spongebob: (gasps then suddenly sing-song) How did you know~?
Fregley must've bumped his head when he was little. Like, really hard!
— Greg Heffley, Diary of a Wimpy Kid
I know she has issues, okay. Everyone knows that. When she was little she had a really bad fever and it fucked her brain up.
— Luan Loud referring to her sister Leni, The Loud House fanfiction The Diary of Luan Loud
Ross: Oh, remember when I stuck that broom in your bike spokes, and you flipped over and hit your head on the curb?
Monica: ...No. But I remember people telling me about it.
Monica: ...No. But I remember people telling me about it.
