The lyrics are on the screen (subtitles). You can read them below (click on «more»). Many of the foods mentioned in the song can be seen in this presentation from the club of December, 2nd.
If the topic is interesting for you — and we bet it is! — you can also read the article from the English Tiles Magazine (Russian-English version).
We Are The Champions. An article about Freddie Mercury + song lyrics.
If you are not a fan of Alexander Rybak, you can listen to the original version by the Proclaimers, though I believe this one is well worth attention.
Download the lyrics with explanations here (слова песни с пояснениями).