fuckyeahavengersheadcanon:

“After befriending Steve, Howard Stark started using the word “fondue” as a euphemism for sex, and he and Maria would use it in front of young Tony. Consequently, Tony now uses the “fondue” code-word, never realizing its origin. The first time Steve heard Tony use it, he choked on his shawarma.”

[Headcanon submitted by hardactofollow]