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1.
a alternate term for myspace, connotating the addiction caused by the desire to spend too much time at this website.
Better check mycrack and see how many new comments i have!
by rhialistic September 26, 2006
 
2.
The obessesive and addictive disease where one cannot get enough of myspace and need more and more of it just like crack users need crack, hence the name mycrack!
Jeff: Yo let me use your computer I want to look up my myspace!
Me: Dude, shut the fuck up and lay off the mycrack.
by chi-town December 03, 2007