on the spur of the moment

Impulsively, without prior preparation, as in He decided to join a tour to England on the spur of the moment. This expression alludes to the goading action of a spur to a horse. [Late 1700s]

Words Nearby on the spur of the moment

on the sidelines
on the side of the angels
on the skids
on the sly
on-the-spot
on the spur of the moment
on the square
on the street
on the strength of
on the surface
on the table

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