| 2025-12-11 | Word with heavy or scrap |
| 2025-07-17 | Headbanger's genre |
| 2024-09-04 | Microwave no-no |
| 2022-02-15 | Valuable part of ore |
| 2022-02-12 | Rock genre |
| 2022-01-25 | Rock genre |
| 2021-12-13 | Music genre often labeled "heavy" |
| 2020-09-03 | U, V or W, on the periodic table |
| 2020-03-20 | Lead, e.g. |
| 2019-09-16 | Gold or platinum |
| 2019-02-15 | Music genre that's the focus of Decibel magazine |
| 2017-12-10 | Genre for Black Sabbath |
| 2017-08-29 | Music genre that's sometimes "heavy" |
| 2017-07-29 | Grammy category |
| 2017-04-15 | Microwave no-no |
| 2017-01-03 | Genre for Mötley Crüe |
| 2016-05-16 | Tin or titanium |
| 2015-06-16 | Headbanging music |
| 2014-05-15 | Genre featured on MTV's "Headbangers Ball" |
| 2013-12-04 | Lithium or iridium |
| 2013-11-24 | Rock genre |
| 2013-09-10 | Lead, for one |
| 2012-11-28 | Black Sabbath's genre |
| 2012-08-25 | Founding need |
| 2011-08-29 | Zinc or zirconium |
| 2011-07-04 | "Heavy" music genre |
| 2010-10-21 | Rock music genre |
| 2010-08-22 | Rhenium or rhodium |
| 2010-02-24 | Like most golf woods, nowadays |
| 2009-11-09 | Almost any element whose name ends in -ium |
| 2009-08-03 | Zinc or zirconium |
| 2009-06-15 | Silver or platinum |
| 2008-04-06 | Rock genre |
| 2007-11-18 | Bad stuff to microwave |
| 2007-05-05 | Stuff in a mint |
| 2007-01-21 | Quonset hut material |
| 2005-04-26 | Rock genre, informally |
| 2004-11-29 | Rock music genre |
| 2004-02-24 | Ozzy Osbourne's music, for short |
| 2003-04-06 | Music genre |
| 2003-02-23 | Rock music subgenre |
| 2002-10-24 | Tungsten, e.g. |
| 2002-09-15 | Ozzy Osbourne's music, informally |
| 2002-07-10 | Palladium, for one |
| 2001-11-18 | It may be picked up in a bar |
| 2000-04-25 | Mercury or cobalt |
| 2000-02-26 | It may be forged |
| 1999-05-16 | Calcium, e.g. |
| 1997-09-22 | Copper, e.g. |
| 1996-11-20 | One may be precious |
| 1996-08-26 | Iridium, e.g. |
| 1995-12-17 | Get a lode of this! |
| 1995-03-03 | Rock and roll genre |
| 1995-02-09 | Palladium, e.g. |
| 1994-12-29 | Alloy |
| 1994-09-25 | _____ detector |
| 1994-09-03 | Bullion |
| 1994-08-22 | Kind of detector |