01 n. A diminutive, insignificant, or presumptuous person.
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1.
A diminutive, insignificant, or presumptuous person.[Colloq.]
Entry
1 sense
Webster, 1913
Whippersnapper
· Whip·per·snap·per
· IPA /ˈʍɪpəɹˌsnæpəɹ/