write some obfuscated code
write some cool but completely useless modules like Lingua::Romana::Perligata
inhabit the Chatterbox
write a three page answer to the newest Hash-of-Hashes question
start some flamewars on Slashdot
reload my favorite news page every 5 seconds to make sure I am the first to read the newest article
play a tetris clone
Results (293 votes). Check out past polls.
Conway's Game of Life
Perl regular expressions
My Magic 8-Ball™
Results (187 votes). Check out past polls.