[1] : The Collaborative International Dictionary of English v.0.48

hot dog \hot" dog"\ ho^t" daddg", exclamation
   an expression of delight.
   pjc

[2] : The Collaborative International Dictionary of English v.0.48

hot dog \hot" dog`\ ho^t" daddg`, n.
   1. a frankfurter.
      pjc

   2. a sandwich consisting of a hot dog inserted in a partly
      split elongated roll, usually garnished with mustard, and
      sometimes also with relish, sauerkraut, or a pickle. a hot
      dog garnished with a chili mix is called a chili dog.
      pjc

   3. a person who performs a complex and difficult athletic
      maneuver, usually to show off his/her skill.
      pjc
see also:
chili dog 

[3] : WordNet (r) 2.0

hot dog
     n 1: someone who performs dangerous stunts to attract attention
          to himself syn: hotdog
     2: a frankfurter served hot on a bun syn: hotdog, red hot
     3: a smooth-textured sausage of minced beef or pork usually
        smoked; often served on a bread roll syn: frank, frankfurter,
         hotdog, dog, wiener, wienerwurst, weenie
see also:
hotdog red hot frank frankfurter dog wiener 
wienerwurst weenie 

[4] : Moby Thesaurus II by Grady Ward, 1.0

52 moby thesaurus words for "hot dog":
   blt, dagwood sandwich, sloppy joe, swiss cheese sandwich,
   vienna sausage, bacon-lettuce-tomato sandwich, bangers,
   black pudding, blood pudding, bologna, braunschweiger, canape,
   cheeseburger, corned beef sandwich, dog, double-decker sandwich,
   egg salad sandwich, exhibitionist, flaunter, frank, frankfurter,
   goody, gooseliver, grandstand, grandstand player, grandstander,
   grilled cheese sandwich, grinder, ham sandwich, hamburger,
   headcheese, hoagy, knockwurst, liver sausage, liverwurst,
   pastrami sandwich, please the crowd, poor boy, salami, sandwich,
   saucisse, sausage, show off, show-off, showboat,
   submarine sandwich, tuna salad sandwich, tunaburger, weenie,
   wiener, wienerwurst, wienie

Devil Dog >> D Words
Devil Dog, definition of term: Devil Dog
devil+dog_pag1.html

Bird Dog >> B Words
Bird Dog, definition of term: Bird Dog
bird+dog_pag1.html

Badger Dog >> B Words
Badger Dog, definition of term: Badger Dog
badger+dog_pag1.html