toss off (something)

Translations
быстро сделать (что-то)
He managed to toss off the entire essay in one night.
Он умудрился быстро сделать все эссе за одну ночь.
Definitions
To produce or do something quickly and with little effort, often implying a lack of seriousness or care. For example, 'He tossed off a quick email before leaving.'