1) Babbler 2) Blabbermouth 3) Chatterer 4) Gabber 5) Gasbag 6) Jawer 7) Magpie 8) Motormouth 9) Prattler 10) Spouter 11) Talker 12) Yakker 1) Epipactis gigantea 2) Excessive talker 3) Exclusively Anglo word 4) Exclusively Saxon word 5) Foolishly loquacious talker 6) Gabby one 7) Giant helleborine 8) Helleborine 9) Magpie 10) Motor mouth 11) Motormouth 12) One talking on and on and on 13) One who never stops talking 14) Stream orchid 15) Talkative person 
an excessively talkative person.