 " Obsessed " is a song by American singer Mariah Carey from her twelfth studio album , Memoirs of an Imperfect Angel ( 2009 ) . The song was written and produced by Carey , Terius " The @-@ Dream " Nash and Christopher " Tricky " Stewart , and was released as the album 's lead single on June 16 , 2009 by Island Records . The song draws musical influences from R & B and hip hop music , and is built around a thumping bass line . Additionally , the song is accentuated by hand claps , while Carey 's voice is processed with Auto @-@ Tune . Lyrically , the song describes Mariah 's dilemma regarding constant claims of a prior relationship from rapper Eminem , although he is not specifically mentioned . 
