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1.
All worked up, on the verge of a breakdown.
"Oy Gevalt, I'm so ferklempt that I could plotz."
by JP May 08, 2004
 
2.
When something makes you well up inside, and you're on the verge of tears. From the "Coffee Talk" sketches on SNL a few years ago (thank you, Mike Meyers).
"I got a little ferklempt when I saw them kiss and make up"
by G-man January 18, 2004