2 definition by Alf112

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A regift. A relatively trivial object that has repeatedly been given as a present. Strictly, a mathom is probably NOT an object with a tendency to decay (i.e. fruitcake), nor an object of obviously poor construction (i.e. a crooked handmade sweater or junk), nor a family heirloom or a useful "hand-me-down" article (i.e. toddler clothing), nor one which requires expensive upkeep (i.e. a large, exotic pet -- a proveribial white elephant).
Such objects most likely persist because they are slightly too valuable or unusual to dispose of outright or give to Goodwill, yet have such limited use or appeal that few wish to retain them. Modern-day candidates for mathomhood are commonly visible in catalogs for novelty electronics, pop art, junk jewelry, and sports memorabilia, as well as in roadside "local" gift stores.
"It was a tendency of hobbit-holes to get cluttered up; for which the custom of giving so many birthday-presents was largely responsible. Not, of course, that the birthday-presents were always new; there were one or two old mathoms of forgotten uses that had circulated all around the district; but Bilbo had usually given new presents and kept those that he received."

-- J.R.R. Tolkien, The Fellowship of the Ring, p. 65.
by Alf112 December 26, 2006

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Misspelling of Double Nickel. Can refer to Interstate Highway 55 or to a 55-mph speed limit.
"Thank god they raised the speed limit on the bypass from 55 to 65; that double nickle limit was making folks take the long way around."

"Ah, ten-four, Pig Pen, what's your twenty? Australia? Mercy sakes, ain't nothin' down there but Tasmanian devils and them Q-alla bears. What's that? No double-nickel limit? We gonna be there in a short, Pig Pen."
-C.W. McCall, "Round the World With the Rubber Duck"
by Alf112 December 26, 2006

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