Meanings
nounknuckle-buster (plural knuckle-busters)
plural knuckle-busters
- informalA credit card imprinter.
- informalA difficult piano piece.
Synonyms & antonyms
Similar
zip-zap machine
Translations
Finnish mankeli, höylä
- mankeliinformal term for credit card imprinter
- höyläinformal term for credit card imprinter
Cite this entry
APA
knuckle-buster. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/knuckle-buster
MLA
“knuckle-buster.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knuckle-buster. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “knuckle-buster,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/knuckle-buster.
Source: knuckle-buster on Wiktionary, CC BY-SA 4.0.