Answer: onawhim

AnswerCrossword Clue
ONAWHIMSpontaneously
ONAWHIMCapriciously
ONAWHIMJust for the fun of it
ONAWHIMImpulsively
ONAWHIMJust for kicks
ONAWHIMFor the heck of it
ONAWHIMJust because
ONAWHIMSuccumbing to caprice
ONAWHIMWithout consideration
ONAWHIMBecause why not?