of my life is
based on a BLUNDER.
The Big Bang Theory Season 7, Episode 6
is based on a BLUNDER.
The Big Bang Theory Season 7, Episode 10
"The Wonder Blunder."
The Big Bang Theory Season 7, Episode 10
...as the single biggest BLUNDER
of his career.
The Big Bang Theory Season 3, Episode 1
My BLUNDER sent Tywin's mad dog
Game of Thrones Season 3, Episode 3