I'm hot dog. Is it thinkable to say "I'm hot dog" meaning "the hot dog is for me"?

an extended use of "delicious" Are the following sentences acceptable? This restaurant is expensive. This restaurant is delicious.

What is the difference between ornament and decoration? What is the difference between ornament and decoration?

article "the" with a proper nown Usually article "the" does not go with a proper noun. I wonder if it is possible e.g. in the following situation. Someone asks a group of people. Who is George Washington? I am the George Washington.

What is the difference between sufficient and adequate? the same as above

the usage of the word 'could' I learned on this site that the word 'could' cannot be used in a sentence like the below: I could buy a ticket yesteday. (I was able to buy a ticket yesterday) However I found the following sentence by a respectable author: I could buy a cup of coffee for a dollar this morning, since I got a coupon in the mail. Is this sentence correct? If so, then why?

woods and forest Is there any difference between woods and forest?

"good luck" or "a good luck" An author who is native English(American) writes in a book on English grammar: Yebisu(brandname of beer), the legendary character, brings you a good luck. I(the author) am always disappointed at this catchphrase..... "a good luck" sounds very weird since "good luck" is not a thing but an abstract idea.... (sorry for my poor translation) Is this catchphrase that weird? I read so often the expression "I wish you a good luck" If this is okay, why the other isn't?

What is the rule about whether to put the definite article or not? The Golden Gate Bridge The Empire State Building These have the article. Madison Square Wall Street These don't. Why is it so?