There are a couple times in AO where Scrabs will walk through the walls, and off-screen.
In Stranger's Wrath, at the place where you can enter the Wolvark facility through the sewers, there's something that might count as a glitch. As you get near the sewer door, Stranger will comment that "This sewer grid must be a secret way in." Once, though, I hit the self-speak button at just about the same time, so that Stranger said the same thing at almost the same time, giving him an awful stammering problem... "This this sewer sewer grid grid must must be be a a secret secret way way in in." It gave me a pretty good laugh when it happened...
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