The term "Fatbaby Boots" cannot be protected by copyright, because it is a "title." 37 C.F.R. Sec. 202.1(a). However, the same term can be protected as a "trademark," in which case, it's possible that the trademark owner could have demanded removal.
The only way to know for certain would be to review both the DMCA removal notice made by the complaining party, and the original information that you displayed before it was removed (you may not have this anymore, but if you do, that would help).
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