This article is part of an effort to understand the enthusiasm, attraction and admirationof the organization “Islamic State in Iraq and Syria” (ISIS) among the young Muslim femalein Western Europe. The article specifically focuses on microblogging (Tumblr and Twitter)contents of young Muslim girls from Western Europe. The study offers a review ofISIS-adoring Tumblr fangirls in the West through the prism of cultural interpretation. Theyoung girls, whether themselves manipulated or manipulating others, become part of aworldwide viral system produced in perfect unison and generating propaganda enticing moreand more young Muslim girls in the West to become viral ISIS recruits. After maintaining fora while Tumblr and Twitter accounts, some of them even undergo the “giant leap” and migrateto the “Islamic State” in Syria, continuing there to reinforce their blogging and twitteringefforts, reporting on their daily lives and attempting to tempt or to trap more young girlsto join the new “Islamic State”.