| 2025-06-10 | Chowderhead |
| 2024-01-30 | Simpleton |
| 2023-12-12 | Nincompoop |
| 2023-03-28 | Dostoyevsky novel about a "positively beautiful man," with "The" |
| 2022-11-29 | Turkey |
| 2022-08-29 | Moron |
| 2022-06-14 | "It is a tale told by an ___, full of sound and fury": Shak. |
| 2022-06-02 | Dostoyevsky novel, with "The" |
| 2022-02-23 | Pinhead |
| 2021-10-10 | Dostoyevsky's Prince Myshkin, so the book title declares |
| 2021-09-12 | "Einstein," sarcastically |
| 2021-07-25 | Buffoon |
| 2021-06-23 | Bozo |
| 2021-05-20 | Doofus |
| 2020-08-11 | Fyodor Dostoyevsky novel, with "The" |
| 2020-04-04 | Numbskull |
| 2020-03-19 | Peabrain |
| 2019-11-01 | One who tells a tale full of sound and fury, per Macbeth |
| 2017-09-29 | Yo-yo |
| 2017-05-02 | Buffoon |
| 2016-12-13 | Numbskull |
| 2016-10-14 | Birdbrain |
| 2016-01-06 | Dummkopf |
| 2015-10-20 | Dodo |
| 2014-08-12 | Bonehead |
| 2014-07-21 | Dumb ox |
| 2014-06-22 | Chowderhead |
| 2014-05-13 | Numbskull |
| 2014-01-07 | Bonehead |
| 2013-10-29 | Moron |
| 2013-02-25 | Birdbrain |
| 2011-05-02 | Dum-dum |
| 2011-04-18 | Dodo |
| 2010-11-09 | Bozo |
| 2010-05-06 | Numbskull |
| 2010-03-14 | Boob |
| 2010-02-14 | Teller of a tale "full of sound and fury," per Macbeth |
| 2010-01-23 | Goober |
| 2009-12-29 | ___-proof (easy to operate) |
| 2009-12-22 | Dostoyevsky novel, with "The" |
| 2008-07-24 | "You ___!" (cry while hitting oneself on the head) |
| 2007-12-26 | Yo-yo |
| 2007-09-14 | Jerk |
| 2007-05-12 | Fool |
| 2007-04-09 | Moron |
| 2007-03-13 | Birdbrain |
| 2007-02-06 | Not exactly a brainiac |
| 2006-08-22 | Half-wit |
| 2006-07-03 | Doofus |
| 2006-02-20 | Chucklehead |
| 2005-12-24 | Dip |
| 2005-12-03 | Dull type |
| 2005-04-20 | Fool |
| 2004-12-18 | A genius, no |
| 2003-10-02 | Dunderhead |
| 2003-09-17 | Real dope |
| 2003-07-07 | Dunderhead |
| 2003-07-05 | Word said with a head slap |
| 2003-05-12 | Dunderhead |
| 2003-03-06 | Kind of box |
| 2003-02-23 | Birdbrain |
| 2003-02-11 | Dimwit |
| 2003-01-09 | Dunderhead |
| 2002-08-15 | Dimwit |
| 2002-01-30 | Blockhead |
| 2001-10-23 | Bonehead |
| 2001-10-01 | Bonehead |
| 2001-06-28 | No exemplar of erudition |
| 2001-06-18 | Dummkopf |
| 2001-05-23 | No-brainer? |
| 2001-02-01 | Dimwit |
| 2000-12-24 | Dunderpate |
| 2000-12-18 | Pinhead |
| 2000-08-31 | Blithering sort |
| 2000-08-21 | Numbskull |
| 1998-04-26 | Dostoyevsky novel, with "The" |
| 1996-05-19 | Dolt |
| 1995-07-05 | Word before box or proof |
| 1995-06-08 | Blockhead |
| 1995-03-28 | _____ savant |
| 1994-11-26 | Dimwit |
| 1994-09-19 | Ninny |
| 1994-01-31 | Booby |