yay yay-eeee Share definition Flag an exclamatory phrase showing your enjoyment to good news or a particular action. "joe just hot carled in her mouth." "yay yaaa-eee!" yay yay-eeee by d - fresh February 12, 2004 0 0 Get merch Get the yay yay-eeee mug. Buy Now — $32.95 See more merch