whatta noun 1contraction 1forms 1 noun1 •(no longer used, historical) A scaffold used by the Tahitians for animal sacrifices.Not only the whattas or offering-places of the morais are commonly loaded with fruits and animals, but there are few houses lacking a small place of the same sort. — 1906 contraction1 •(informal) Contraction of what + a.If I read this correctly, Pop Clifton graduated from high school at the age of 15. Awesome. Probably took a cheerleader to the prom. Whatta stud — 1993 formswhattas