A less than subtle sarcastic combination of the words "awesome" & "fantastic", used mainly as a reaction to a situation, occurance, or thing that is by no means awesome or fantastic.
Boss: Remember that project that's due next week?
Employee: Yes sir...?
Boss: Well we need you to have it complete by noon tomorrow.
Employee: Awesometastic...
Employee: Yes sir...?
Boss: Well we need you to have it complete by noon tomorrow.
Employee: Awesometastic...
by ThePonz January 25, 2011

To be awesometastic takes knowledge, courage and outrageous awesomeness. Like a rubberfish awesome. Witty and charming.
You're so totally awesome, Voxx! It's awesometasticness!!!
by Rubberfish April 28, 2011

by akbeauty June 2, 2010

Term pioneered by April L to describe something at a level of awesomeness and fastasticosity previously indescribable
by derekstellar February 7, 2005

"THAT WAS AWESOMETASTIC!"
by Regamono January 19, 2009

by techie2200 March 2, 2005

"Whoa, that was Awesometastic!"
by NatRiehl1993 January 21, 2009
