look up any word, like hipster:
 
1.
Very similar to the word greaseball in nature,"grishball" is used to describe someone who is grubby and disgusting.Revolting almost.Derogatory term.
That absolute "grishball" over there stole my drink.(or)That guy over there can hardly stand and is a compllete "grishball".
by Willdami October 29, 2009