You ask something three times, you have to get a reply. "ath" as in "car" and "Tsar" and "aarrgh". Or Gar... There are some funny spellings for Irish words. As for example Kevin spelled Caiomhghen.
Thread drift is the term I prefer. Or occasionally lurch. I think this one was perhaps a lurch. But a lurcher is a dog, not a kat.