Reading the man pages would show you:
Specifies what dictionary to use instead of the
default. Dictionary names are actually file
names, and are searched for according to the
following rule: if the name does not contain a slash,
it is looked for in the directory containing the
default dictionary, typically /usr/local/lib.
Otherwise, it is used as is: if it does not begin
with a slash, it is construed from the current
If no argument is given, the default dictionary will be used.
$you = new YOU;
honk() if $you->love(perl)