My turn^^
First of all....some animals:
Nezumi: rat, mouse
Neko: cat
Inu: dog
Iruka:dolphin
well that's all I know^^'........for NOW
sho ga ne/shakata ga ne: it can't be helped
teme/kisama: well it is translated as a word that might be considered foul, so it'd be: why you...
dame da/desu: no good/it's no good
sonna...: no way
masen ka - of course not/it can't be/no way
baka/ bakayaro: idiot
bakamono: idiots (plural)
hisashiburi: it's been a while
well here's a side that should also help you abit:
http://www.cnfj.navy.mil/phrases.html
I was gonna write it for ya and explain abit, but I figured out that it doesn't need it, and don't know if it's 100% correct, but it's still a great site.
Well I'll upload more soon^^