Referral string ends in fp-buzzmod

Is this from yahoo buzz?

[eljefe3]

I just got hammered by a blizzard of the same search which is something like this [search.yahoo.com...]

I've never seen traffic like this all come in within 5 minutes.

Any idea where this comes from?

Search volume for this group of keywords is up 10X per normal for the last 2 hours as compared to the daily total.