Crossword puzzle clue "it's often seen ringside"

to adorn with gems

BOO, to show disapproval by making this sound, also BOOH

a metal disc, usually rimmed, that sounds when struck or rubbed with a drumstick

GONG, to summon by sounding a gong

HANDLER, one who handles

ODD, in golf, an additional or allowed stroke

(Spanish) a shout of approval