shaketastic 

1. A milk shake that has characteristics of being fantastic.

2. A dance move that is centered around the shaking of a female buttocks.

That drink from sonic was Shaketastic!

shaketastic by Jay Rizzy September 7, 2013

shrektastic

So great it makes you want to please Shrek.

"Wow, that onion was shrektastic!"

shrektastic by Based shrek December 18, 2014

Shaqtastic

Exceedingly superlative; sublime beyond reason.

Shaq Fu is friggin' Shaqtastic.

Shaqtastic by Mjollnir Falls April 13, 2006

shattastic 

Something fantastic that involes William Shatner.

Man, that new show Show Me The Money is really shattastic!

shattastic by b48b January 13, 2007

Shashtastic 

Adjective describing really great sex that resulting in multiple orgasms.

Last night was shashtastic!

I had a shashtastic night last night!

Shashtastic by mmywwords September 14, 2010

shanktastic

Something that is very prison-like, Often a common item that can be made into a prison weapon.

"WOW, that melted pen is SHANKTASTIC!"

shanktastic by Pyrotastic January 1, 2008

Shatastic

A word used when shit is about to go down or has gone down.

"Things are about to get Shatastic"!

"Last night was shatastic"!

"When the shat goes down...you better be ready"...

Shatastic by Melodrama5 September 9, 2010