It means that you have a power of vision and intuition. It shows that one have wisdom of seeing situations from a higher perspective. It shows that you can fly high spiritually, while connected to the ground. It also symbolizes good luck.
In Japanese, "taka" means Hawk, or Eagle.
Youkai is a general Japanese term for supernatural creatures in Japanese folklore.
Demon means Oni in Japanese also mean folklore.
Tako [蛸/たこ] means octopus.
wheasle weasel...they're considered bad luck
If you mean 'a hawk's eye' literally the phrase would be 鷹の目 /ta ka no me/ in Japanese. If you are referring to the stones, tiger's eye and hawk's eye in Japanese have both derived their names from English:タイガーズアイ /tai gaa zu ai/ (Tiger's Eye)andホークスアイ /hoo ku su ai/ (Hawk's Eye).[oo = elongated' o' sound]According to the Japanese Wikipedia, in Japanese they can also be called 虎目石 (torameishi) and 鷹目石 (takameishi). 目 /me/ (like in Melborn) is the kanji for 'eye' and 石 /i shi/ is the kanji for 'stone, gem'; and 虎 /to ra/ and 鷹 /ta ka/ are in order the kanji for 'tiger' and 'hawk'. Similar to "cat'e eye" which is a common name for Cymophane and in Japanese is called 猫目石 /nekomeishi/, 'neko' being Japanese for cat.
In Japanese, "Kyuuketsuki" (吸血鬼) translates to "vampire" in English. The term is a combination of the characters for "suck/blood" and "demon/spirit." In Japanese folklore and popular culture, Kyuuketsuki are often depicted as undead beings who feed on the blood of the living.
Takashi means "Prominence" or "Eminence" Takashi means "Prominence" or "Eminence"
An animal, fierce creature, with long claws and sharp teeth. It fears nothing [ Wolverine ]
It could mean 'curse of the ogre', 'demonic curse'.. 'could' as well as it can mean other things. (Oni is Japanese folklore but could roughly be close to ogre, ghost or demon) Unless you are good with this translation, answer me in the discussion page so I can help you get a more precise meaning. (I asked where in Inuyasha series you heard this.)
'WA' is a particle in Japanese. It follows a noun, signalling that the noun is the subject of the sentence. In lamens terms, it's like 'am' or 'is'. E.g "Watashi WA Katie desu" which means "I am Katie"
"Hawk" in that context means "to sell" as in the more common phrase "hawk your wares"