Shast 

Up Yours in Farsi. Using the Thumbs Up.

1. Driver Misses Pedestrian at Crossing. Pedestrian shows Thumbs Up, Shast, meaning - Up Yours.

2. Angry man says; “*** and your Ancestors” , and for completion shows Thumbs Up, Shast.

Shast by AL1 5HA November 22, 2009

shast 

retarded way of saying "shit"

Oh shast!

shast by johnny q January 21, 2004

Shast 

When different music from multiple sources can be heard at once.

"The cars in the parking lot are all blasting their music, and boy this is not shasting well for me."

"Wow these two songs shast surprisingly well."

Shast by Jinx114 July 1, 2009

Shast 

To screw over or to be fucked.

Someone who does somthing to leave others in a bad situation.

A term used to describe an unfortunate situation which is usually the result of one or more persons taking advantage of another. Under normal circumstances the person does not know that they have been 'shasted over' until it is too late.

Being 'shasted over' does not normally relate to physical violence/assault; it is more suited to describing a feeling of betrayal experienced when one realises that someone you once trusted has been deceiving you for their personal gain.

I got shasted.

They shasted me, again.

I am going to shast them all.

Shast by Mike Marri July 8, 2011

Shast 

To take a dump/poop/shit

Oh man, that KFC gave me the shasts

Shast by Deetz McGriff May 3, 2004

shast mast 

Where you sit on someone's chin and shart.

I'm going to shast mast you in your sleep.

shast mast by Hazzardouspat May 14, 2015

Shast piece 

When somebody is either disappointed or amazed at something. Another way of saying shit.

The huskers lost in OT today.. Shast piece.

or

I just ate 10 hot dogs for lunch today.. Shast piece

Shast piece by The Jankster 88 June 28, 2010