• to be all nerves, wired
• alien, extraneous, newcomer, outlander, outlandish, strange, stranger
• antsy, edgy, fazed, fidgety, flustered, have cold feet, het up, highly strung, jittery, jumpy, nervous, nervy, restive, restless, skittish, stroppy, to be on edge, to feel nervous, to feel rum, to jitter, unstrung, uptight, vexed, wired
• foreign body, foreign matter
• foreign language, lingo
• of foreign extraction, of foreign growth
• crackup, exhaustion psychosis