from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A combination of two blows delivered in rapid succession in boxing, especially a left lead followed by a right cross.
- n. Informal An especially forceful or effective combination or sequence of two things.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A combination of two punches, one from each hand, thrown in rapid succession
- n. A rapid sequence of two things that has a quick effect
Sorry, no etymologies found.