usually used as a sexual innuendo to encourage or inquire about sex or other "shady" activity
could also be used as "bobo-ing it up" or "shady bobolinsky"
Guy 1: I'm going over to this girl's place to watch a movie.
Guy 2: Shady Bobo? (raises eyebrows)
Guy 1: What do you think? Hells yeah!
a new friend; from the combination of "new" and "bud"
"Hey, nud! It was nice meeting you on friday. We should hang out soon!"