The term 'Surfer Since the '90s' can be summarized as a person who has been using the internet since the 1990s. The crossword solution for this term is AOLER, which stands for America Online user. America Online was one of the first popular internet service providers in the United States, and it was founded in 1985. As such, an AOLER would be someone who has been using the internet since the 1990s, when the internet became more widely available.