(US, idiomatic, baseball) Technical matters concerning baseball generally not apparent or of interest to spectators.
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(US, idiomatic, by extension) Matters of interest only to insiders.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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Browse all slang words starting with I.
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