A slang term for military college or university graduates. It refers to the large graduation rings that are usually worn by said persons, and to the tradition of knocking the ring on a table to quiet a boisterous room.
Carl just graduated and got commissioned... and now he's SUCH a ring knocker.
by K...! May 3, 2006
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Graduate of one of the United States' military service academies, which operate as collegiate institutions.

Use of term is said to be especially prominent among graduates of the U.S. Naval Academy (Annapolis, Maryland).
Among U.S. military officers, they're known as "ring knockers" because they proudly wear the big, gold class rings they earned when they graduated from one of America's military academies. (TIME magazine, April 2001)
by al-in-chgo June 15, 2013
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A derogatory term for a Black Freemason. A "Ring Knocker" wears their gaudy Freemason ring, which is akin to a High School football championship ring, wears a black suit, white shirt, and black tie, and in unison, they knock their rings on the table to come in agreement with their Freemason beliefs. They are entitled douchebags who are in a half-assed cult and/or society group. Black Freemasons are on the lower rung of factions in the trade unions and other workgroup factions.
Nick: Hey Bill, I saw a group of six black guys at an Irish pub. They were all wearing suits and ties and had big rings. I tried to converse with them, but they were very uppity and talked about how knowledge is key. They kept knocking their rings on the table.
Bill: Oh yeah, we always see those guys in the trades. They're called Ring Knockers. All they do is try to act smart. They're douches.
by Studs Lonigan III September 4, 2023
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Pronunciation: \ˈriŋ ˈnä-kər\
Function: noun
Date: 21st Century

: young male that fancies, pleasures, and/or promotes the sexual gratification of married, older women commonly referred to as "cougars" : the doer of dirty deeds to dilettante dames : a weekday afternoon tennis pro : a successful divorce attorney : a pool boy entrepreneur : intelligent, efficient, and industrious young student burdened by debt : a "plan B" kind of a guy : a "plan Z" kind of guy : participant in awesomeness
That Ring Knocker my professor is dating, was a creative and hardworking student of hers.
by blingblongbling March 16, 2010
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