This is a dynamic word that means negative in general.
1.It can be used in many contexts to mean; bad, cruddy, terrible and many others.
2.Rast can also be used to describe mood.
3.Rast can be used to as a curse word.

1. OH MAHN, this food is rast.
2. MAHN, I feel like rast.
3. RAST!!!!!
by johnson balls October 28, 2007
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Something indescribably “cool” or “awesome.” Often used in casual banter between friends or extremely chill people.
“Dude did you see that movie last week?”
Yeah man it was totally rast!”
by Derpybacon07 August 14, 2018
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To win a table tennis game with ease or to be a master of the rally.
Forest gump went to china to mally rast.
by McScootmid September 07, 2013
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