Sorry, Mom, but you're just too wonderful

from this morning's email:
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it's been a long day, i'm still not jiggy with the new time, and after a week of poor sleeping because of the time change, i'm exhaustamundo.
(did i use the term 'jiggy' correctly?? i hope it doesn't mean anything to do w/sex... but i just can't recall if it has wider ranging uses... ah, sleep).
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Yes, you've used it correctly. Yes, it does have to do with sex, but only in a mild way. (Comments, assorted slang-observant peeps?) Hope your 'exhaustamundo' abates and I promise not to put more of your charming emails on here...too often at least.