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1.
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!
by CosmicRider March 09, 2007
 
2.
You know a multi-tasker is one who can drive, smoke, jerk-off, talk on the cell phone and pick his nose all at the same time. Well a multi slacker is one who has laundry pending, missing homework, assignments past due, messy room and all last week's mail unopened. This and more ofcourse!
Dude, I have a Chemistry assignment due tomorrow, a math quiz to take in the tsting center because i missed it, I have no clean clothes, can't find my pay check and I locked my car keys in the car.

Word dude, you are just a multi-slacker.
by Julius Glass March 21, 2006
 
3.
A person who can slack off on multiple things at once. Not to be confused with a multi-tasking slacker.
Multi-tasking Slacker: I'm watching T.V., playing an MMORPG, eating cheetos, and talking to my friends on the phone instead of doing my English assignment.

Multi-Slacker: I have an English assignment due tomorrow that I haven't started, my laundry's piling up in the bathroom, and the electric company is threatening to cut the power because I haven't mailed the bill for last month.
by Fuze Defines April 23, 2007
 
4.
A person who can slack off on multiple things at once. Not to be confused with a multi-tasking slacker.
Multi-tasking Slacker: I'm watching T.V., playing an MMORPG, eating cheetos, and talking to my friends on the phone instead of doing my English assignment.

Multi-Slacker: I have an English assignment due tomorrow that I haven't started, my laundry's piling up in the bathroom, and the electric company is threatening to cut the power because I haven't mailed the bill for last month.
by Fuze Defines April 23, 2007
 
5.
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.
by RealNaughtyRN November 18, 2010