Yepa Share definition Flag Yepa - A Northern Irish slang word that is used as a 'celebration' or remark to state excitement. Mum said we're getting a Chinese tonight! YEEEEEEEEEEPPPPPPPPPAAAAAAAAAAAAAAAAAAAAAAAAA! (Yepa) Yepa by UVF February 13, 2021 0 0 Get merch Get the Yepa mug. Buy Now — $32.95 See more merch