I would also call someone who is a 'hermit' a shlum
Pablo - "Not a whole lot just shlummin' it"
Mallen - "Look at you, you shlum"
Chris - "Goto school you shlum"
Chris - "Fuckin get a job, you shlum"
" Go out and do somethin and quit shlummin it!"
(v) Shlumed, Shlum, Shlumming: A verb to describe an unspecified sexual act of someone who you are ridiculing.
(v) Nick did you shlum with sally last night?