Word Up!
Chinese
yuanfen - A relationship brought about by fate or destiny.
houtian - The day before yesterday.
German
schleppen
to move an object by using a mixture of dragging and carrying - also to describe an individual who has difficulty putting one foot in front of the other
kummerspeck (literally 'grief bacon')
the excess weight gained from emotion-related overeating
drachenfutter (literally 'dragon fodder')
the peace offerings made by guilty husbands to their wives
backpfeifengesicht
a face that cries out for a fist in it
Dutch
uitwaaien
to walk in windy weather just for fun
Russian
koshatnik
a dealer of stolen cats
Pascuense (Easter Island)
tingo
to borrow objects from a friend's house, one by one, until there's nothing left
Japanese
hingi/ringi
reaching a decision via a document circulated to all employees
ryookai
adjournment of a meeting due to lack of attendance
nodate
aristocrat taking a break during a trip in a palanquin
niramekko
game in which two children looking at each other to try to make the opponent laugh first
yaroojidai
throwing one's weight around in a small group without knowing one's real worth in the larger world outside
reikanshooohoo
cajoling people into buying articles for an extremely high price by claiming they will bring good luck
sen'yooshiji
curry favor by sucking pus from carbuncles and licking hemorrhoids
chitokotoba
language used toward customers by women in the drinking-world establishment
tsujigiri
killing a passerby in order to test a new sword
iai
art of drawing one's sword, cutting down one's opponent and sheathing the sword afterward
the act of laughing so hard your sides hurt
English (Almost as many words have fallen into disuse as there are words being used.)
ascoliasm
boys' game of beating each other with gloves or leather while hopping
Really?
Garnered from all around the web, but here is a good resource.

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This is beautiful! Thank you!
God love those Germans. Only they would have a word for a “face that cries out for a fist in it.”
Shawn
Yeah, there are others but that one is a beauty - especially given my German heritage…;-)