out of sight
Meanings of "out of sight"
Used as an adjective or adverb. "A slang term used to describe something positive, very good, cool, great or excellent." (Urban Dictionary https://www.urbandictionary.com/define.php?term=Out%20of%20sight) Despite that strong association with California and flower power, both 'out of sight' and 'far out' were coined in the more restrained Victorian period. https://www.phrases.org.uk/meanings/out-of-sight.html
потрясающий; невиданный; клёвый (сленг).