fun way to say nasty, also implying that you really think something is gross instead of nasty as in cool. falls into the fun words category with schwasted and schwafted. if it's not fun to say, don't say it.
A: i just saw The Hills Have Eyes last night. some of those mutantpeople were really schnasty.
a) A Character on the Red Skelton Show.
b) A ladies' man.
c) {From the Greek} "Bolivus Shagnasticus", roughly meaning, "One who floods" (It was the title of a roman dictator roughly around 120 AD.)