These are the forum levels, and the numbers of posts required to reach them:
Neophyte * 0
Logologist ** 50
Lexicomane *** 100
Word-meister **** 150
Linguissimo ***** 200
Paronomaniac ****** 300
Cryptoverbalist * 500
Glossologian ** 1000
Eulexic *** 2000
WordStar **** 5000
Many of the names are made up, but some of them are genuine obscure words. The scale goes up as high as it does because we do actually have people with that many posts to their names, and some of them got stroppy when they reached a numerical milestone and didn't get a new title. The rate of posting in recent years has been nowhere near as high as it was at its peak. I think someone must have seen what was going on in this forum in 2007 and decided to invent social media. The rest is history.