(noun/slang) Complimentary slang name referring to an attractive, thick female whose attributes (i.e. ass, thighs, legs, etc.) are proportionally large, noticable, and desirable. Though not a law, such females can weigh in at the neighborhood of 200+ lbs.
April was a hunka-hunka burnin' love. That thunder-butt gal had a body that could ride your dick into the ground.
by Nikki Stixx September 19, 2019
by Ty54 May 31, 2009
by Jon Chris Ashly June 9, 2006