noun. a girl's sexy ass, usually large and jiggly
The best kind of bedonkadonk are the ones that keep on jiggling after you smack 'em.
A sexual act in which a man does a woman from behind and treats her ass roughly (by means of smacking, grabbing, etc...) until it turns a pinkish color. The act is finished by pulling out and cumming on her ass.
I love girls with bedonkadonk
, they're the best for spherplunken.