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1.
A little used term for one who is fond of Feeling Electric, now known as Next to Normal.
Girl 1: That fangirl constantly quotes Feeling Electric, she's such a shocktart!

Girl 2: What's Feeling Electric?

Girl 1: It's like Next to Normal, only more epic.
by Amy Spanger November 26, 2009
 
2.
This is when you have dirty anal sex with some slut and then shove your nasty fallice in her mouth...the result is similar to when you ate shocktarts as a kid and your cheeks pucker in as well as her mouth.
yo I pulled a shocktart on this chick, you should have seen her when she was done she looked like Renee Zellweger
by BrooklynBrett September 14, 2007