Under no cirmustances can it refer to the male genitles. Shlavotkis is a word used to describe anything. Can be used innapropriately or formally. Shlavotkis is normally used in the context to describe something or as a curse word. Although can be used as a follice or word for describing an ugly woman.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)