Definify.com
Webster 1913 Edition
Whippersnapper
Whip′per-snapˊper
,Noun.
 A diminutive, insignificant, or presumptuous person. 
[Colloq.] 
“Little whippersnappers like you.” T. Hughes.
 Definition 2025
whippersnapper
whippersnapper
See also: whipper snapper
English
Noun
whippersnapper (plural whippersnappers)
-  a young and cheeky or presumptuous person
-  2004: Chris Wallace, Character: Profiles in Presidential Courage
- Eisenhower thought that the President-elect, his junior by over 25 years, was merely a "young whippersnapper."
 
 
-  2004: Chris Wallace, Character: Profiles in Presidential Courage