Looking for the meaning or definition of the word score off? Here's what it means.
Verb
(transitive, inseparable, idiomatic, slang) To defeat (especially in an argument), get the better of, achieve a success over, gain an advantage or win points over, make a point to the detriment or at the expense of, make appear foolish. Sometimes with particle on (someone).
(transitive, separable, idiomatic) To delete or remove (especially from a list); to score out, strike out or strike off, cross out or cross off; to draw a line through.
Used other than with a figurative or idiomatic meaning: see score, off. To score from.