T is for Taciturn

: quiet and reserved

“I will not support this dastardly motion,” Biff boomed rising from his chair, “beneath it all they’re people, just like you and me!” The other party members were aghast at such an abrupt outburst from a generally taciturn chap. They had struck a nerve. Thanks to Biff, the League of Costumed Theme Park Workers would receive funding for at least another year.