Antsy
来自Big Physics
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mid 19th century: probably from the phrase have ants in one's pants (see ant).
wiktionary
From ants + -y, as in ants in one's pants. First noted as a rural Southern USA figure of speech in the early 20th century.
etymonline
antsy (adj.)
"restlessly impatient," 1838, American English, from plural of ant + -y (2); probably reflecting the same image as the slang expression have ants in (one's) pants "be restless and fidgety" from a century later. Related: Antsiness.
