jargon.artrocity.com
New Hacker's Dictionary the Jargon File v 4.4.6
[alt.(sysadmin|tech-support).recovery; abbrev. for Dick Size War] A contest between two or more people boasting about who has the faster machine, keys on (either physical or cryptographic) keyring, greyer hair, or almost anything. Salvos in a DSW are typically humorous and playful, often self-mocking.