This is not obfuscated. Go see other code in the Obfuscation section.
Removing whitespace and brackets/parens doesn't obfuscate, that just makes it harder to read (yes, I know that's a contradiction).
Most monks will probably be interested in the original, clear and readable version more.

2;0 juerd@ouranos:~$ perl -e'undef christmas'
Segmentation fault
2;139 juerd@ouranos:~$