The latest example is from today and can be found here:
Blue Ion said:
[...]
EDIT: "cheapest_price" is now spam?
we_sell - This one was turned into [*I AM STUPID SPAMMER*] in a post from ED himself, IIRC.
s_ofort(one word, means "now" in German) I triggered it once when I posted a quote from the German boards which I wanted to translate.
c_amel
v_iagra
I don't know what else triggers it. What I _do_ know is that I've never seen an actual spammer being affected, which are removed quickly anyway, just normal users.