on the spur of the moment
• on impulse; without planning in advance.
• "I don't generally do things on the spur of the moment"
Similar:
impulsively,
on impulse,
impetuously,
without thinking,
without planning,
without premeditation,
unpremeditatedly,
impromptu,
spontaneously,
on the spot,
suddenly,
all of a sudden,
unexpectedly,
out of the blue,
of the moment
• currently popular, famous, or important.
• "the buzzword of the moment"
