There's a tonne of ways you could refer enough users to obtain this award; here's a couple:
I'm sure that over your many years of lurking
There's a vast amount of communities that allow advertising, ranging from social media giants like Facebook or Twitter to large forums.
Here's the generic thread that I've posted elsewhere:
[size=medium][i]A community for weebs.
[url=https://lewd.sx]Lewd.sx[/url] is a weeaboo discussion community with a heavy focus on various topics; including: anime, manga and much more.
We're still growing, and this is a community [b]for the users[/b], so if you have any category (or site) suggestions, feel free to let me know.
Things that make us sexy:
[*][s][font=Tahoma, Verdana, Arial, sans-serif]lewd category[/font][/s][font=Tahoma, Verdana, Arial, sans-serif]Â (hidden to public)[/font]
Even using one of our many banners as a signature is a great way to get random people to sign up using your referral.
Please don't spam in our name and respect the rules of other communities.
Ultimately, it'd be nice to rely completely on referrals; but that's an unrealistic dream and I'll be paying for advertising.