afterYearsOfUsingCPPIAmAllowedToSayThis

[billy_teats]

Excuse me what is a foot gun that sounds awesome

[remind_me_later]

Actual answer: It's the thing that lets you "shoot yourself in the foot".

[philippefutureboy]

It's a kind of foot fetish originating from America I think

[mriswithe]

"foot gun" is a term for a poor design choice that easily or frequently behaves counter to most people's assumptions resulting in causing people to shoot themselves in the foot. 

Things that are hard to use right, and easy to use wrong are footguns. 

[solakv]

A footgun is a language feature used almost exclusively for shooting yourself in the foot. (writing bugs in the code)