Contrary to what just about all ya'll on here believe, it's when you see ya homie and you make a call out for him to make a doughnut. NO it doesn't mean What's crackin and NO it ain't from houston. ya'll hear it in just about every paul walls song cause that's what's wrong with all you fools. the yay is the capitol of slang and ya'll be bittin'. most slang ya'll hear in rap music was bitten off the YAY.
you see ya homie in his 64 impala at the intersection.
you holla "Hey homie what it do" and he goes stupid. bustin' doughnuts.