like greased lightning

US /laɪk ɡriːst ˈlaɪt.nɪŋ/
UK /laɪk ɡriːst ˈlaɪt.nɪŋ/
"like greased lightning" picture
1.

come un fulmine, velocissimamente

very quickly or rapidly

:
When the bell rang, the children ran out of the school like greased lightning.
Quando suonò la campanella, i bambini corsero fuori dalla scuola come un fulmine.
He finished his homework like greased lightning so he could go out and play.
Ha finito i compiti come un fulmine per poter uscire a giocare.