"Fucked"boy refers to the state in which the typical homosexual Fuckboy uses, breaks the heart of, or otherwise plays with the feelings of another gay in order to benefit themselves whilst damaging the other person in the process, the person "Fucked" over by the the Fuckboy is then referred to as the "Fucked"boy.
Adam: 'and so he left me.. hasn't called me since tuesday... what a fuckboy.'
Alex: Typical fuckboy, can't believe he wasted >>6 MONTHS<< of your time.
Adam: Guess that puts me into the hall of fame of all his Fucked boys