Gun

1. (noun) A device for projecting a hard object very forcefully; a firearm or cannon. 2. (noun) A device operated by a trigger and acting in a manner similar to a firearm. 3. (noun) A long surfboard designed for surfing big waves (not the same as a longboard, a gun has a pointed nose and is generally a little narrower). 4. (noun) A pattern that "fires" out other patterns. 5. (noun) (metonym) A person who carries or uses a rifle, shotgun or handgun. 6. (noun) (usually in the plural) The biceps. 7. (noun) (in the plural) Violent blasts of wind. 8. (noun) An expert. 9. (verb) (with “down”) To shoot someone or something, usually with a firearm. 10. (verb) To speed something up. 11. (verb) To offer vigorous support to a person or cause. 12. (verb) To seek to attack someone; to take aim at someone. 13. (verb) To practice fowling or hunting small game; chiefly in participial form: to go gunning. 14. (verb) To masturbate while observing and visible to a corrections officer.