#OCaml, 106

    for i=1to 100do
    let(!)n=i mod n<1and p=Printf.printf
    in!3&p"Fizz"=();!5&p"Buzz"=()or!3||p"%d"i=();p"
    "done

Apparently this isn't a very good attempt as the shortest one on anarchy golf is only 97.