Usually the term refers to a number of figs rather than just one or two as people show off their armies. The term is most often associated with historical themes such as castle, pirate, and western as well as space and Star Wars. All of these are known for large battle displays encouraging both vast numbers of existing troops but also the creation of custom factions.
The standard form of the tag for forums is to include it within the subject line using square brackets so it is visible when scrolling through the forum index of posts
- ie. [fig-barf] My Really Cool Army