from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person who strikes a blow with a flat object.
from The Century Dictionary and Cyclopedia
- n. One who or that which thwacks; specifically, a wooden tool used for beating half-dried pantiles into shape. The tiles are then trimmed with a thwacking-knife.
And Uruguay's Luis Suarez, who plays the position of "thwacker" or "slacker" or something, used his hands to defeat Ghana and was carried off the field in triumph.
As for the guns of Hernán Cortés and his army, what a terrifying contrast their explosions made with the most sophisticated weapon the Aztecs could deploy - a kind of wooden thwacker with stone teeth embedded down the edge.