wal·lop·ing (wŏlə-pĭng) Informal
1. Very large; huge: a walloping fish.
2. Very fine; impressive: a walloping success.
Used as an intensive: a walloping huge lie.
A sound thrashing or defeat.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.