I've been saying Nagger in game for several days now. There are two people that I currently know of, one named Nagger, another named Nagger_Please. If action is taken against me, it must also be taken against those two people. What I said is completely within the rules and isn't racist at all, as well as I've said it plenty of times around admins. No one has ever responded (besides him) with that word.
If you don't get the reference, it's from South Park, as well as its wikipedia definition:
nagger - one who nags
en.wiktionary.org/wiki/nagger
nag (third-person singular simple present nags, present participle nagging, simple past and past participle nagged)
To repeatedly remind or complain to someone in an annoying way, often about insignificant matters.
To act inappropriately in the eyes of peers, to backstab, to verbally abuse.
To bother with persistent memories.
The notion that he forgot something nagged him the rest of the day.
Other sorts of persistent annoyance, e.g.:
I use it to express distaste in things that particularly annoy me, such as getting couched or headshot by an arrow. Hence they nag me, and the person becomes a nagger.
I took a screenshot of this as well, didn't know someone was going to post it lol.
edit: I will say though it doesn't (or shouldn't) deserve a ban. Warn at absolute most.