I've occasionally referred to it as "waterfall programming", since you start at the top of the code, and write straight down to the bottom. *shrug*

I like that name, and have seen it before. But that was for code like this:

    %triUK =
        (0 + 0 + 0 =>
            qq//.qq//.qq// =>
                map { (my $foo) = /(\d+)/; $foo => $rev{"*1e$_"} }
                    grep { s/^\*1e//g and /[bB]/ and $_ <= 22 }
                        @dummy = values %parts
                            ); sing("lalalalalah");
[download]

Or: A statement that doesn't fit on a single line, but can be made looking awful when indented more every line, and filled up with uselessness :).

U28geW91IGNhbiBhbGwgcm90MTMgY
W5kIHBhY2soKS4gQnV0IGRvIHlvdS
ByZWNvZ25pc2UgQmFzZTY0IHdoZW4
geW91IHNlZSBpdD8gIC0tIEp1ZXJk