1) drafted for service and called up for service. The first one is more common to me.
2) b-i business
3)hippety-hopped: it's a way of walking or dancing; it describes how a rabbit moves.
4)slutbag: an offensive term for prostitute
5)pathetic: see your dictionary
7)new flash (Do you mean, newsflash? If so, it means, bring new information to light; e.g., TV newsflash, "Earthquake"; In a conversation:
Max: "Here's a newsflash for you Sam. We don't have a test today, so stop studying."
8)x-nay on the upid-stay: Pig Latin, a language used by children. For example: stupid: stayupid => upid stay.