We don't have synonyms for score up yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are screw up, shore up and scare up.
(v) :
(figuratively) To find or procure (something), especially something not easily found or procured, and especially while relying on chance to provide the means.
(v) :
To frighten (an animal, especially a game animal) into appearing from cover.
(v) :
(figuratively) To find or procure (something), especially something not easily found or procured, and especially while relying on chance to provide the means.
(v) :
To frighten (an animal, especially a game animal) into appearing from cover.