Noun
JAPH (plural JAPHs)
(computing, programming) A program written in Perl that outputs the text Just another Perl hacker, usually programmed in an obfuscated manner so that the output is not obvious until it is run.
Just another Perl hacker, or JAPH, typically refers to a Perl program which prints "Just another Perl hacker," (the comma is canonical but is occasionally omitted). Source: Internet