go off at score
go off at score
1. To have an enthusiastic or spirited start to something. The musician went off at score, launching immediately into a madcap arrangement of tunes that got the audience right out of their seats.
2. To speak or behave in an impetuous and impulsive manner. I very nearly went off at score to tell her how ignorant such a viewpoint is, but I decided to hold my tongue instead.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.