© 1998 Def Jam Records. "Full Cooperation" is a song by the American hip hop group Def Squad recorded for their sole album El Niño (1998). The song was released as the only single in promotion of the album on April 14, 1998.

El Niño is the debut album by hip hop supergroup Def Squad.[3] The three Def Squad members, Redman, Erick Sermon and Keith Murray, released this album to positive critical and commercial feedback[citation needed].

It reached #2 on The Billboard 200 and had one si