One of the mysteries of the English language finally explained.
with object To hit (a person or thing) with a nunchuck. Also (in extended use): to fell, defeat, browbeat.
1970s; earliest use found in Mattoon (Illinois) Journal Gazette. Shortened from nunchaku (with loss of final vowel probably reflecting partial devoicing of -u in spoken Japanese). Forms with -chuck show alteration after chuck<br>1990s; earliest use found in InfoWorld. From nunchuck.
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