on the spur of the moment

US /ɑn ðə spɜr əv ðə ˈmoʊmənt/
UK /ɑn ðə spɜr əv ðə ˈmoʊmənt/
"on the spur of the moment" picture
1.

no impulso do momento, de repente

without planning or thinking about it in advance

:
We decided to go to the beach on the spur of the moment.
Decidimos ir à praia no impulso do momento.
He bought the car on the spur of the moment without much thought.
Ele comprou o carro no impulso do momento, sem pensar muito.