Quick definitions from WordNet (on the spur of the moment)
▸ adverb: on impulse; without premeditation ("He decided to go to Chicago on the spur of the moment")
▸ Words similar to on the spur of the moment
▸ Usage examples for on the spur of the moment
▸ Words that often appear near on the spur of the moment
▸ Rhymes of on the spur of the moment
▸ Invented words related to on the spur of the moment
▸ adverb: on impulse; without premeditation ("He decided to go to Chicago on the spur of the moment")
▸ Words similar to on the spur of the moment
▸ Usage examples for on the spur of the moment
▸ Words that often appear near on the spur of the moment
▸ Rhymes of on the spur of the moment
▸ Invented words related to on the spur of the moment