Lost in Translation·An Illustrated Catalog of Beautiful Untranslatable Words from Around the World, by Ella Frances Sanders. META
Ombudsman·A thing that existed, but that did not translate, so it got adopted. Norwegian/Danish/Swedish
Passive Armament·Protective equipment that prevents the police from giving you a nice proper beating. German
Пострелям (postrelyam)·To shoot a little bit, presumably out of boredom or because one wants to, until one doesn't feel like shooting anymore. Bulgarian
Nöken·To copulate, to have sex, to fuck. To screw, to bang, to conjugate. To lie with, to go all the way, to couple. Low Saxon
Poljubiti vrata·Going back home after coming over to someone and realizing that no one is there. Serbo-Croatian
Parler anglais comme une vache espagnole (lit. to speak English like a Spanish cow)·To speak a very bad English. French
Olla sinut·To know something/someone well enough to address them with a singular pronoun instead of the plural one. Finnish
ਗੇੜੀ (géṛī)·When a group of guys go around the city (in a car or motorcycles) to look at (and/or catcall) girls. Punjabi