The acronym 'DSL' is a long-standing piece of internet slang that stands for 'Dick Sucking Lips,' used to describe individuals with prominent, full, or pouty lips. While the term originated in adult contexts and can be seen as vulgar or derogatory, it has transitioned into mainstream internet culture, particularly on platforms like Twitter and TikTok. It is frequently used in reaction images featuring celebrities, influencers, or anime characters to highlight physical attraction or comment on beauty trends. Despite its risqué origins, the slang has become a staple in digital commentary, often used in a humorous or hyperbolic manner to describe aesthetic features.