The keyword "" refers to the digital distribution and legacy of the 2008 adult film Gretchen: A Rainha do Bumbum , produced by the Brazilian studio Brasileirinhas . Often searched in relation to high-quality video formats like .avi or improved digital versions, this production marked a significant moment in Brazilian pop culture, featuring the iconic singer and dancer Gretchen , known nationally as the "Queen of the Butt". Gretchen: A Rainha do Bumbum (Video 2008) - IMDb Gretchen: A Rainha do Bumbum (Video 2008) - IMDb. Movies.