"
Took an arrow to the knee" is a popular internet meme derived from the video game "
The Elder Scrolls V: Skyrim".
In the game, different characters in the game will say, "I used to be an adventurer like you,
then I took an arrow to the knee". To parody this the meme has taken the format, "I used to X, then I took an arrow to the knee".
This meme is usually found in the comment sections of various websites and is expressed with facetious intent.