There are so many great words in different languages which have never become a part of the English vocabulary. Here a few examples -
Backpfeifengesicht - a face in desperate need of a fist
Kabelsalat - an entanglement of wires (cable salad)
Sitzfleisch - to tolerate incredible boring activities
Jayus - a joke that is funny because it is so badly told
Drachenfutter - the gift a man gives to a woman to make up for his mistake
Tartle - the moment when you have to introduce somebody and you realise you forgot his or her name
Kummerspeck - eat out of emotion (grief bacon)
Age-otoi - to look worse after a haircut
Packesel - the person who is stuck with everyone's bag on a trip
Mokita - the truth that everyone knows but nobody says
Pochemuchka - a person who asks too many questions
