v: Indication of velocity, as in "that Gust just FFed past me at v650 - must be artied".
WC: Abbreviation for wrong channel, normally following a line of chat that was unintentionally sent to the channel by hitting the wrong f-key.
WD: Abbreviation for well done.
wing: 1. Shorthand for wingman. 2. To use /wing to hunt flux, often by towing, as in "will you wing with me on this krak?".
WTF: Common acronym for 'what the f***?'.
XP: (See Exp).