1) A great name to call a friend who intentionally avoids social interaction, sports, or anything else involving physical or mental exertion.
2) Like a
street bum, only lazier. The kind of
bum you wouldn't mind harassing
just for kicks.
3) Someone who manipulates younger peers and/or acquaintances in order to accomplish minor tasks.
Mike: Why don't you come outside and
shoot some hoops with me, John?
John: Sorry dude, I want to level up on
Rune Scape. Maybe later.
Mike: Gawd, you
lazy bum -- get off you're ass and get some exercise!
---65% of every bum is a lazy bum.