Michiyo

In this video of tasting "Soylent," what does the man on the right say at 4'24" ~ 25"?

https://www.youtube.com/watch?v=FNEt8Wg1v2s#t=269

"It IS quite heavy, it's -------."

Is the word "filling"? Is it an adjective?

I received this sms message from someone I don't know. I used the GoogleTranslate but it gave me no answer... What language is this, and what's the meaning?

(Koe melk allergie might be "cow milk allergy" in Dutch?)

BBC America's sign says "We are above the trash" and this sign board is literally put above the trash bin. I know there are double meanings in this sentence, but what's the other meaning?

http://weknowmemes.com/2012/03/bbc-america-were-ab...

"A pound of grapes cost just $2.41 and contains 313 calories."

I saw this sentence on Buzzfeed. In this case the subject is "a pound" so the verb should be "costs" I think? Or in this case the subject is "grapes"?

I am translating a Japanese book into English.

What is most appropriate word of exclamation when you did something that sadden someone and regret it?

"Oops! "---too light?

"Shoot!" ---used nowadays too?

...what else do you think of? I know "Sh*t!" is too rude and I don't want to use it in the book.

The context is, the speaker gave a beautiful photo of the hometown which is now destroyed forever, and the woman who saw it started to weep. And the speaker instantly regrets.

----------------

"So beautiful"

Her voice was trembling. "______," I thought. It was just like showing a picture of a boy to the mother who lost him.