Das EFX is an American hip hop duo. It consists of emcees Dray and Skoob. They named themselves "DAS" standing for "Dray and Skoob" and "EFX" meaning "effects". They rose to popularity in the early 1990s due to the duo's stream of consciousness lyrical delivery, which became one of the most influential lyrical styles in hip hop music at the time; as well as their affiliation with EPMD's Hit Squad. Their style combined intricate rhymes, sometimes mixed with made up words, delivered with a fast-paced flow and numerous pop culture and hip hop culture references.