A person who is a muti talent at doing nothing of human interest but only in human suffering.
Friend: Hey dude you ever get that job scrubbing those waste cans at the abortion clinic?
Dude: No man, I couldn't find any straws.
Friend: I may be wrong but you might be the worlds best multislacker!
One who engages in several slacker activities simultaneously.
I've been sipping lattes, facebooking, creating online wishlists and submitting words to urbandictionary.com all morning. I'm such a multislacker.