"hotdog" in the noun sense
1. hotdog, hot dog
someone who performs dangerous stunts to attract attention to himself
2. hotdog, hot dog, red hot
a frankfurter served hot on a bun
3. frank, frankfurter, hotdog, hot dog, dog, wiener, wienerwurst, weenie
a smooth-textured sausage of minced beef or pork usually smoked often served on a bread roll
Source: WordNet® (An amazing lexical database of English)
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