An occurance involing an individual of negro, or miscegenated, heritage vanishing at a time in which something needs to be done or witnessed(by the nigger not present). Often confused with Slack Ass, occurances are usually symptomatic of Nigger Mortis.
Tyrone pulled a Nigger Disappear for the results of Shanika's, LaQueefa's, Yolanda's, Ja'Mika's and De Shawna's paternity tests.
An acronym for "nigger magic". This is an astounding ability that years of hard slacking develops. Eventually, experienced slackers don't have to study / attend lectures or participate in any activity that compromises their slacker integrity.
One just walks into an exam or test scenario when necessary and uses their "nigger magic" to correctly answer questions regarding topics that one has never seen or heard of and will never see or hear of again.
Shah: Yo I pulled some insane nigger magic on that last question, I derived the Laplace Transform from basic principles in a few minutes.
Mush: ROFL, it must've taken years for those mathematicians to figure it out.