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One corner short of a pentagon What does it mean?

  1. Dec 8, 2012 #1
    "One corner short of a pentagon"....What does it mean?

    Ok I read this phrase somewhere and I have no idea what it means. Apparently it's a North American thing and is something related to someone's personality or stuff like that.

    Can anyone tell me what it is supposed to mean?
    Thanks
     
  2. jcsd
  3. Dec 8, 2012 #2
    Re: "One corner short of a pentagon"....What does it mean?

    There is something missing in that person's mentality.
     
  4. Dec 8, 2012 #3

    jim mcnamara

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    Re: "One corner short of a pentagon"....What does it mean?

    The person being described is a square :) You may not be old enough to get that joke...

    I haven't heard that one. There are a lot of
    Code (Text):
    He is [fill in the blank] short of [fill in the blank]
     ex: He is one card short of a full deck
    sayings. They all are references to someone's lack of intelligence.

    I guess this one is a more geometric approach.
     
  5. Dec 8, 2012 #4

    jtbell

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    Re: "One corner short of a pentagon"....What does it mean?

    I have to admit I've never seen that phrase before, but a Google search turns up a lot of hits for it. Live and learn!

    I do remember seeing another phrase with the same pattern "one ______ short of a ______", but I can't remember what it is! I guess I must be starting to fit that description. :uhh:

    [added] Aha, now I remember it: "one brick short of a full load." Jim's version also rings a bell in the back of my head.
     
  6. Dec 8, 2012 #5

    jim mcnamara

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    Re: "One corner short of a pentagon"....What does it mean?

    Darn - Jimmy already posted. I expected to really roll with this whole thread....
     
  7. Dec 8, 2012 #6

    jtbell

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    Re: "One corner short of a pentagon"....What does it mean?

    Let's make up one for physicists:

    "One electron short of a full shell." :biggrin:
     
  8. Dec 8, 2012 #7

    Astronuc

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    Re: "One corner short of a pentagon"....What does it mean?

    A less than noble personality.
     
  9. Dec 8, 2012 #8
    Re: "One corner short of a pentagon"....What does it mean?

    Sharp as a marble.
     
  10. Dec 8, 2012 #9
    Re: "One corner short of a pentagon"....What does it mean?

    Ah I see.... I guess it makes sense.

    Knowing you though, I was at first not sure whether to take this as the real thing or yet another joke.
     
  11. Dec 8, 2012 #10

    Astronuc

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    Re: "One corner short of a pentagon"....What does it mean?

    or someone missing
     
  12. Dec 8, 2012 #11

    jtbell

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    Re: "One corner short of a pentagon"....What does it mean?

    Yes, probably rather greedy.
     
  13. Dec 8, 2012 #12

    Astronuc

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    Re: "One corner short of a pentagon"....What does it mean?

    as halides tend to be with respect to electrons - fluoride being the worst offender.
     
  14. Dec 8, 2012 #13
    Re: "One corner short of a pentagon"....What does it mean?

    "You're not the sharpest knife in the drawer!"
     
  15. Dec 8, 2012 #14

    micromass

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    Re: "One corner short of a pentagon"....What does it mean?

    What about "One corner short of a circle"?
     
  16. Dec 8, 2012 #15
    Re: "One corner short of a pentagon"....What does it mean?

    I wish I could have that many corners...:rolleyes:
     
  17. Dec 8, 2012 #16
    Re: "One corner short of a pentagon"....What does it mean?

    So smart he's stupid.
     
  18. Dec 8, 2012 #17
    Re: "One corner short of a pentagon"....What does it mean?

    His elevator doesn't go all the way to the top floor.

    One taco short of a combination plate.

    Dumber than a bag of hammers.

    All things my son has said about his boss.
     
  19. Dec 8, 2012 #18

    Evo

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    Re: "One corner short of a pentagon"....What does it mean?

    A sandwich short of a picnic.

    Not the brightest bulb in the lamp.

    Doesn't have both oars in the water.

    He has a mind like an ink blotter, he soaks it all up, but gets it all backwards.
     
  20. Dec 8, 2012 #19

    Ibix

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    Re: "One corner short of a pentagon"....What does it mean?

    One banana short of a bunch.

    Behind the door when they gave out the brains.

    Thick as two short planks.

    Given that the original is supposed to be an American saying, is there extra resonance in "a pentagon" versus "the Pentagon"? Quotes about military intelligence being an oxymoron abound.
     
  21. Dec 8, 2012 #20
    Re: "One corner short of a pentagon"....What does it mean?

    A few fries short of a happy meal.
     
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