猿(saru) - Monkey
魚(sakana) - Fish
フランス or 仏蘭西(furansu) - France
ドイツ or 独逸(doitsu) - Germany
犬(inu) - Dog
猫(neko) - Cat
田中(tanaka)
No idea which ones are the most common ones for the 2 below...
takashi(surname)
takeshi(surname)
貴様(kisama) - You! Why, you...! (in a hateful manner) or Bastard!
死ね(shine) - Die!
俺(ore) - Me; I
己(onore) - You. Oneself.
馬鹿(baka) - idiot; fool; stupid (literally means horse deer...)
糞(kuso) Sh**! Crap! (literally means feces, poop, whatever...)
しまった(shimatta) Shoot! Crap! Dammit! ...etc. No kanji for this.
畜生(chikushou) Damn you...! or Imbecile, etc.
Those aren't really slang... I don't think.