go great guns
US /ɡoʊ ɡreɪt ɡʌnz/
UK /ɡoʊ ɡreɪt ɡʌnz/
1.
to be doing something very well and quickly
:
•
The new project is going great guns, we're ahead of schedule.
•
After a slow start, their business is now going great guns.
to be doing something very well and quickly