The track itself is a standout single from Clavish's debut mixtape, Rap Game Awful .

When Ikoomsan uses this term, he is essentially giving the artist a "grade" or a "stamp of approval" for their lyrical content.

Check out Ikoomsan's full reaction to see exactly which bars he flags as 'useful paper':

: This has become a staple catchphrase for Ikoomsan, similar to how other reactors have specific ways of reacting to "cold" bars. About the Song: "Rocket Science"

: It often highlights bars that resonate with the listener's own experiences or observations of the world.

The reaction video for Clavish 's "Rocket Science" (featuring D-Block Europe) by Ikoomsan is a popular commentary piece within the UK rap community. In the context of this and other UK rap reactions, the phrase (often referred to as "useful") is a slang term used by Ikoomsan to describe lyrics or bars that are exceptionally clever, relatable, or packed with "gems" of wisdom and street knowledge. Understanding "Useful Paper"

: It was highly praised for Clavish's calm, statement-heavy delivery and the melodic contributions from D-Block Europe.