Jiztastic 

Something Extremely Awesome, similar to an orgasm.

Oh man that Velveeta Mac n' Cheese was Jiztastic

Jiztastic by Akkattakk April 30, 2010

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

Jizztastic 

When something is so fantastic, that you instantly cream your pants with jizz, semen, sperm-juice, etc.

Damn homie, that criossant was jizztastic!

Wasn't that episode of Digi-Mon jizztastic?!

Jizztastic by Bay City Bird Slapper April 25, 2011

jizztastic 

good enough to make you soak your pants with semen, better than fantastic; something so wonderful, you just cannot contain yourself

Winning the lottery is jizztastic experience.

jizztastic by Nebuchadnezzar January 9, 2004

Jizztastic 

When something, either an event, object or person, is so good that you almost jizz yourself i.e. ejaculate in your pants.

God that is absolutely jizztastic

Jizztastic by Davetherave February 4, 2006

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