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To feel pretty shitty and nasty at the same time.
Damn son, I'm feeling pretty shnasty after last night.
by Shmallison April 02, 2006
A word used interchangeably with extremely, utterly nasty.
"That girl is so shnasty!"
"This pasta takes really shnasty!"
by Jessica Herdoon February 20, 2006
A Girl who is sexy, hot and nasty!
That girl is fine, she's a shnasty!!!!
by R S Berg September 12, 2006