If you can make sense of CONSTANTLY BEING YELLED AT, you are old school.

If you can make sense of excessive parentheses, you are a Lisp programmer.

If you can do pointer arithmetic like a boss, you are a C programmer.

If you can make sense of {vec($j,$i,8)=$$_[$i]$i;$$_[$i]&&redo||$j}, you are a Perl programmer.

If you are convinced that in knowing oneself you must be explicit, you are a Python programmer.

If you frequent Hoogle in the off hours, you are a Haskell programmer.

If the only reasoning you need to believe a dog is a duck, is for it to quack and waddle, you are a Ruby programmer.

If you grok all of the above, you are a polyglot.