I am thinking about going to Japan for my next vacation. Time to tally my knowledge of Japanese. Let's see...

Nippon - Japan
Sushi - Raw fish with rice
Sashimi - Raw fish
Sake - Alcoholic drink. Some call it Japanese vodka or rice wine, but what do they know. It's technically a rice beer.
Yakitori - Kebab
Tempura - Stuff fried in batter
Nori - Seaweed for sushi
Wasabi - Pickled radish
Agari - Green tea (in sushi restaurants)
Miso - Soy paste soup
Mochi - Ice-cream (or other stuff) in a dough shell
Arigato - Thank you
So Des - So it is
Godzilla - Big radioactive lizard
Sumo - Along with competitive eation, one of the few sports involving a lot of fat people
Yokozuna - A champion wrestler. Tend to be overweight
Sarariman - Office worker, formerely a Samurai. Probably.
Samurai - A Shogun's report
Shogun - Samurai's supervisor
Bushido - Samurai's Rules and Regulations Manual
Geisha - A woman who entertains Yokozunas, Samurais and Shoguns. As well as Sararimen with a good sarary.
Sensei - Teacher
Kohai - What Wall Street types call a Rabbi. One who helps out somebody less experienced.
Sempai - Someone who has a Kohai.
Karate - Pronounced Kara-tey.
Something-do - Way of something.
Kendo - Way of the sword. Somehow really means fencing dressed skirts with bamboo sticks.
Robot-san - Mechanical human being. Some take Samurai or Geisha form.
Kinokuniya - Japanese bookstore chain
Ringo - Apple
Ringu - Ring
Waifu - Wife
Chambara - Japanese movies about Samurai
Manga - What Americans call Anime
Jedi - Another word for Chambara; also a person with high midiclorian count
Terevision - A device for watching Chambara
Harakiri - A suicide method very popular in Chambara
Kamikaze - A suicide method not very popular in Chambara. Also a drink
Kohee - 8 dollar coffee
Yakuza - Legitimate businessmen with a lot of tattoos and missing pinkies.
Meiwaku - Trouble, disturbance.
Kawai - Cute
Pokemon - A very kawai little critter
Makdonurado - A fast food place where sometimes you get a toy Pokemon with you meal and your food tastes like it's made out of Pokemons.
Katana - A type of Samurai's cutting sword. Also name of Larry Ellison's giant boat.
Katakana - One of sets of Japanese characters. Either the one used for foreign words, or the other one.
Hiragana - Same as Katakana.
Hai - Yes
Beero - Beer.
Ebisu - God of something good, maybe beer. Also a type of beer.
Kappa - Demon of some kind, I think lives in water. Also a character in Mario Bros. games.
Tanuki - A smart shape shifting demon with huge balls.
Futon - Bed
Tatami - Rug

Uh... Yeah, I think I am done.