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1.
Antsy, excited, nervous
I am so excited about going to the Morrissey Concert that I have been on Shpilkas all day!
by Not A Shiksa October 30, 2003
 
2.
Noun. Usually refers to something spilled or accidentally placed upon something else which would not normally have that substance on it.
"Damn. I got shpilkas on my gannectagazoint"
by bojangles8885 February 17, 2003