TOP 100 funniest one-liners, quotes and jokes on the internet! Part 1
http://www.onelinerz.net/top-100-funny-one-liners/
Famous Perl One-Liners Explained, Part I - good coders code, great reuse
http://www.catonmat.net/blog/perl-one-liners-explained-part-one/

also links to sed and awk oneliners

things I did not know ... like the '..' operator. Neato.