I've never heard an American say "ta," except as an acquired Britishism. It's not an American regionalism anywhere I've heard of. (For reference: from Ohio originally, the Northeast thereafter, but with friends from a bunch of different areas around the country.)
"Eejit," though, yeah. "Idjit" also, and various other spellings that amount to the same thing. (Edit: idjit, with a shorter i like in "did," is more common I thiiiiink, but really it just depends on the region and how your vowels come out.) It's definitely a regionalism, and something of a "hick accent" thing -- I hate that term, but I'm not sure how else to say it. One of those things you'd edit out of your vocabulary and pronunciation in a formal register, or if you were trying to lose or minimize a regional accent.
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Date: 2010-01-06 05:02 pm (UTC)"Eejit," though, yeah. "Idjit" also, and various other spellings that amount to the same thing. (Edit: idjit, with a shorter i like in "did," is more common I thiiiiink, but really it just depends on the region and how your vowels come out.) It's definitely a regionalism, and something of a "hick accent" thing -- I hate that term, but I'm not sure how else to say it. One of those things you'd edit out of your vocabulary and pronunciation in a formal register, or if you were trying to lose or minimize a regional accent.