While a gear whore can be described as someone who has the best, most expensive, coolest gear, and a damn lot of it; it is more commonly used to describe an individual who simply MUST have a shitload of gear, useful or not.
Light & tight is how it should be done, guys.
The ALICE fighting load is good enough for most short-term outings. If you want something to last you upwards of 2-3 days, go for an existence load.
SSgt (name) is such a gear whore. Does he really need 85 pounds of shit for a 12 hour SAR mission?
The next cadet I see with ranger beads, if he can't start rattling off his count within 10 seconds, I'm gonna kick his ass.
Originated with fly fishermen who have to have every cool,expensive piece of gear there is. Now broadly applies to anyone who has to have the all the cool, expensive gear associated with their hobby of choice.
That guy with all the ski equipment is a real gear whore.