Put-put is an alternate spelling for putt-putt, a game of golf played on a miniature course or is slang for a vehicle that is powered by a small gasoline engine.
(noun)An example of put-put is a type of miniature golf.
See put-put in Webster's New World College Dictionary
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noun, intransitive verb put-putted, put-putting
See put-put in American Heritage Dictionary 4
noun
Origin:
Origin: Imitative of a running engine
.