B-boy noun 2verb 1forms 5 noun2 •(slang) A male who performs b-boying or breaking, commonly called breakdance; a breaker. •(slang) A male member of the hip-hop subculture. verb1 •(slang) To breakdance.By dancing to “Apache” or “It's Just Begun,” any contemporary breaker is arguing that communal values are shared by anyone who has b-boyed over the last three decades. — 2017 formsB-boyed · b-boyed · B-boying · B-boys · b-boys