Sintastic

1. Sluttish or shared by many, oral, penetratable

2. Unrestrained, willing, limitless, sintastic desires.

3. Bizarre, as in act of sex; devient: sintastic attire; sintastic behavior.

4. Based on or existing only in fantasy; unreal: sintastic actions for others pleasure.

5. Wonderful or superb; remarkable: a sinntastic trip to Sherryland.

I met this girl last night... She was sintastic!

That sex was sintastic!

Sintastic by Harry Scott December 30, 2008

SISTASTIK 

A COOL ENHANCED version of a sister who is SUPER AWESOME..SISTASTIK

Sis you came through..SISTASTIK
Sister my forever friend SISTASTIK

SISTASTIK by ClassicRonnie June 15, 2019

FINtastic 

People from the Finance Department, University of Dhaka.

Ex: 1. "Oh you're from the Finance Department? Your parents must be so proud to have a FINtastic son/daughter like you."

2. "This teacher from the Finance department is FINtastic

FINtastic by FINtasticGuy October 16, 2017

sispasticated 

When you say something that is pure retarded like. But is also sophisticated in a way ye know like.

Jeez why are you so sispasticated you stupid heur?

sispasticated by BigGingerWiitard October 25, 2019

Wintastic

Wintastic is a mix between "win" and "fantastic". Hence wintastic.

1: Dude that frag was so awesome!
2: I know right, wintastic!

Wintastic by Winny Oh! April 26, 2010

spintastic 

This is a term mostly used by those involved with Wheel of Fortune. It means fantastic, but the "fan" is changed to "spin", referencing the wheel in the popular game show. Pat Sajak, the host, has said this phrase a few times, which is how it stuck with the audience.

You're going to college? Well that's spintastic!

spintastic by KannaACNH October 23, 2022

siptastik

a grate drink or a mixture of sprits

may be used in "oh that drink was realy siptastik"
or
"that siptastik drink put me in hospital"

siptastik by kram yenffag June 27, 2005