The tag "raweuro" appears to be a combination of two terms. "Raw" typically implies uncut or uncircumcised genitalia, while "euro" refers to European descent or content. In this context, the tag would represent uncut gay pornography from Europe.
However, as the tag is not specific to English and contains a possible misspelling (it should be "raweuro" instead of "raw euro"), it could also refer to a more general concept of European-themed uncut gay adult content. The term "gay" in this tag simply specifies that the porn video involves male homosexual acts.