A person regarded as insignificant and pretentious.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "whippersnapper" in a sentence
"Is some 84 year old entrenched congressman going to substancially change his lifestyle and voting record because of some young whippersnapper is elected president?"
"A whippersnapper was a whip that was all coiled up and if you flipped your wrist it would"
"When I spell-checked this post, it didn't recognize "whippersnapper" and, and as an alternative recommended "hyperkinetic.""