The term BALL THROWERS can be broken down into two crossword solutions: DEBS (4 letters) and BBGUNS (6 letters). DEBS is an acronym for the term 'DEBUTANTES, ' which refers to young women who are presented to society at a formal ball. BBGUNS, on the other hand, is an acronym for the term 'BB Guns, ' which are air guns that shoot spherical projectiles. Both terms refer to activities that involve throwing balls, either in the form of a debutante ball or a BB gun.