interjection

1. Used to profess respect for a deceased person, or for something that has been lost.

2. Used to express regret or disappointment about an unfortunate event or piece of information.

noun

1. (abbreviation) Folio, paper and book size (10"-12.5" x 15"-20")

2. Fuck

   “What the f do you think you're doing?”

Synonyms: F, fo

noun

1. That which is feminine.

2. (possibly obsolete) A woman.

3. (grammar) The feminine gender.