Does anyone know what this $:$$$ means in Perl?

Yes, it is a syntax error.

use strict;
use warnings;
sub dothis ($:$$$) {
           ## rest of the code
}
__END__
Illegal character in prototype for main::dothis : $:$$$ at d:\tmp\test
+.pl line 3

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In reply to Re: Calling subroutine syntax by EdwardG
in thread Calling subroutine syntax by crabbdean

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