/at'par`tee/ [from the @-sign in an Internet address]
n. (alt. `@-sign party' /at'sin par`tee/) A semi-closed
party thrown for hackers at a science-fiction convention (esp.
the annual Worldcon); one must have a network address
get in, or at least be in company with someone who does. One of
the most reliable opportunities for hackers to meet face to face
with people who might otherwise be represented by mere phosphor
dots on their screens. Compare boink