An intensifying adverb phrase, most often used in conjunction with the verb "to suck". (When saying that something sucks, saying it "sucks bucky balls" increases the amount it sucks by.)
Known use is limited to southern and central Vermont.
"Dude, that English homework sucked bucky balls."
"Physics sucks bucky balls!"
Buckminsterfullerene, Buckyballs consist of carbon.
don't lick Bucky balls football-shaped nanoparticles could bind to DNA and you will have no seed in the BAG!!