Whac-___ (carnival game)

• Whack-___
• Agave root
• Root used as a cleanser in Mexico
• Soap-producing plant
• Soap substitute
• Detergent root
• Soap plant
• Root used as a substitute for soap

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1831, from Mexican Spanish amole , from Nahuatl (Aztecan) amolli "soap-root."

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Amole \A*mo"le\, n. [Mex.] (Bot.) Any detergent plant, or the part of it used as a detergent, as the roots of Agave Americana , Chlorogalum pomeridianum , etc. [Sp. Amer. & Mex.]