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Fun way of saying herpes, which is a nasty STD that's with you for life.
Situation 1:
Bob: Ew, what's that on your lip?

Ted: I got the herpily derpily

Bob: nasty

Situation 2:
Doc: I'm sorry Mr. Clod but I'm afraid you have the Herpily Derpilies

Mr. Clod: Oh NOE!!
by cake_walk March 16, 2010