yipikyay Share definition Flag yipikyay is a word used for exclaiming ones self satisfaction or ones release of energy through sexual intercourse with a the same sex. Usually amongst two male in the late 30's He told me that he had a very interesting yipikyay the last weekend. yipikyay by jessenia November 16, 2007 0 0 Get merch Get the yipikyay mug. Buy Now — $32.95 See more merch