The definition which is consistently accurate over time is this :
Apple computers are the ones used by people who, in their own perception, rightly or wrongly, for richer or poorer, are more reluctant to suck the dick of the Man.
PC User : Yeah sure, but right now I have a 7 TeraWhops DellCompaqIntelProtard, which kick ass l337 & compatible with all teh other 100 million (gobble) DellCompaqAMDProtard 7 FiloWhops (slurp) so u r 5u><0r (dribble) & i5 477 teh same culur /\/\/\/\/\/\/\/\/\/\(glug glug glug)
The Man : Shut it bitch n keep chuggin.
2) The most advanced computer out there. Unix based (therefore fast), rock solid and outrageously attractive
3) An infinite source of envy for the poor "IBM compatible" users who see in it some sort of devil.
Most of them continue to deny Apple powa and instead of admitting their mistake, continue to drop stupid jokes by conformism and fear.
Some of them even make superiority complexes because of the 1-button mouse that equips all Apple joy machines.
Many seem to hate Apple without reason claiming "It has no games" or "It's ghey lewlz". Fact is, top selling games have apple ports, including the Sims, and such.