Top Definition
The act of slacking constantly. Being very lazy.
Adam: Dan did you do the english homework?
Dan: Hell no!
Adam: Slacktastic!
by Brian Williams March 04, 2004
1 more definition
adj. something completed at the last minute that is beyond brilliant in any circumstance.
That essay I wrote this morning was so slacktastic.
by SV7 May 04, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.