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

Saphtastic 

adj. happy, strong, confident, a little unusual but in a good way, being different and being proud of it, SaphiraFashion colors yellow and pink, all things happy faces, all things bright and fun and creative, soothing you wouldn't find everywhere

My saphtastic friend is always going out of her way to make my day happier and brighter.

Saphtastic by ILiveOnTheInternet December 22, 2014

Shaqtastic

Exceedingly superlative; sublime beyond reason.

Shaq Fu is friggin' Shaqtastic.

Shaqtastic by Mjollnir Falls April 13, 2006

swishtastic

A word invented by actor Neil Patrick Harris during his appearance on The Late Late Show with Craig Ferguson in 2008.

adj.- (of a person or action) being particularly effeminate and flamboyant in a manner which might be likened to that of a swish or stereotypical gay man.

Neil Patrick Harris: You are just swishtastic tonight! You have been snapping and jumping around.
Craig Ferguson: I am swishtastic every night.

swishtastic by TheGarishGopher July 24, 2009

shattastic 

Something fantastic that involes William Shatner.

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

shattastic by b48b January 13, 2007

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