As always, there is an XKCD for this (#3123, Cannon)
Title Text: Achilles was a mighty warrior, but his Achilles’ heel was his heel.

It’s actually fanon if fans are developing the lore rather than the original creators.
The original original meaning of canon was “measuring rod” or “straight stick,” tho.
Is this why they call big boom sticks cannons?
I told a coworker once that m&ms were my kryptonite and she went and gave me a huge bag of them. I don’t think the average person understands what kryptonite is.
Saying something is your weakness is common to say it’s something you enjoy so much you can’t help yourself.
Missed opportunity by not dropping dead at the sight of them
“Oh no, aaagh, now I’m vulnerable to small arms fire!”
Maybe they did understand and just wanted you to die.
Lana, these crabs this time were not my fault, this whole place is
You were going to say lousy with them
I was, until I realized that’s
Where the expression comes from
Lex: It’s called…Kryptonite.
Turns out it’s actually just sodomy. Sodomy is Superman’s kryptonite.
Lois could never have Superman’s baby. Do you think her Fallopian tubes could handle his sperm? I guarantee he blows a load like a shotgun right through her back. What about her womb? Do you think it’s strong enough to carry his child?
The second she gets a suntan the kid’ll kick right through her stomach. The only person with a uterus strong enough to carry his child is wonder woman. That or he wears a kryptonite condom, which could kill him…
The only person with a uterus strong enough to carry his child is wonder woman.
… well, there’s his cousin for one…
That would solve the cat problem





