A situation, state of mind, or
adjective used to describe someone or
something that is slacking, lazy, sluggish, or sloth. Slacktacular is used mostly in school or during
senioritis.
"Dude I can't
keep up with the reading for Jane's class, I'm done, I'm not doing another
homework assignment for the rest of the term."
"Thats slacktacular!"
or
"I have such
senioritis, I have a feeling things are gunna start to get slacktacular."