2 or more homeless males (always travelling together) who frequently surf the couches of several different females. Famously known to ask: "what's the wifi?", "Can you swoop me?", "You got a shell?".
A Fomosexual is a person who will try every sexual fetish or dysphoria there is, to find one that he likes best. Sometimes they know they prolly won't like it, but gotta try just so they can say "I did that". The prefix is based on "Fear of Missing Out".