Svejk is the main character in a book written by Jaroslav Hašek named "The Good Soldier Švejk". Svejk is trying to sabotage his superiors' orders by acting as an imbecile. Svejking entered the Czech vocabulary as a verb meaning to undermine the system through intentional acts of stupidity.
A word that is used to describe in trading terms, riding in the opposite direction to the current trend, usually resulting in a account drawdown.
Invacio Ltd, introduced the word to describe how a human trader was compared to their Artificial Intelligence trader in a live trading scenario, Archimedes was trading Sterling down, whilst the human trader was Svening his account trading in the opposite direction until all funds were lost and the account was in - figure drawdown.