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Said in the song "I Got A Feeling" by the Black Eyed Peas. Means good luck,congragulations,cheers. It is a friendly term.
Black Eyed Peas- Fill up my cup. Mazal Tov.
by YoshiGameMaker July 15, 2009
Said when you turn something upside down, as a kind of lame, humorous prank. The "mazal" part can be replaced with the object you are turning upside down, such as a bottle: "bottletov." From the Yiddish for "good fortune", though no one is actually sure why.
You know how Kristen is really small? You should pick her up and do a Kristentov!

*turns a calculator upside down*
by penguinaut September 27, 2007