Jacktastic 

A person named Jack who is fantastic.

"Man that guy Jack is fantastic"
"He's fucking Jacktastic"

Jacktastic by Jack Likes Fire August 2, 2007

Janktastic

Fabulously janky. The jankyist of them all. The opposite of fantastic.

My ride is janktastic now that it's missing both headlights.

Pete's new shoes are janktastic.

That ducttape holding your shelf up makes your cubicle look janktastic. hollaaaaaa

Janktastic by KarlaS May 6, 2006

jamestastic 

A situation that is perverted yet fantatstic at the same time.

That diner is sooo jamestastic!

jamestastic by Argbey May 17, 2008

Vamptastic 

Adjective describing something awesome, amazing, cool or fascinating having to do with vampires in Stephenie Meyer's Twilight Saga.

DID YOU SEE THE NEW TWILIGHT TRAILER! Jasper looked vamptastic!

Vamptastic by Katiedid1023 August 13, 2008

Jafftastic 

Something so fantastic it makes you want to spaff in your pants.

Andy: Oh my god Ben? Did you make this asparagus soup?

Andy: Why yes Ben, I did.

Ben: Fuck me. It's bloody jafftastic!

Jafftastic by Encyclopaedo July 19, 2010

Jazztastic 

Jazztastic means cool , awesome , legit , cute , handsome , sexy , and pretty much almost anything you want it to mean that is positive .

She thought that her new hat looked jazztastic with her new outfit .
He thought his banana split tasted jazztastic .

Jazztastic by Jazztastic queen of da Kitties October 25, 2015

Japtastic 

To be or do something/someone of asian greatness.

when some thing goes the way you whant it or is fricken sweet.

something ninja.

1. "Dude that party was Japtastic"

2. "His ride was Japtastic!"

Japtastic by Willie "SexyNinja" Coffman March 16, 2008