fo

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see also: FO

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Noun

fo (plural fos)

1. (paper, printing) Abbreviation of folio#English|folio., page and book size (10"-12.5" x 15"-20").

Synonyms

• (page and book size) f
• (book size) F

Preposition

1. (informal) Alternative spelling of fo'

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FO

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Noun

fo (plural fos)

1. (aviation) Initialism of first officer#English|first officer.
2. Initialism of field officer#English|field officer.

Interjection

1. (Internet slang, text messaging, vulgar) Initialism of fuck off

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