Meaning of 槍玉 in Japanese

Definition of 槍玉

やりだま(yaridama) 【槍玉】

やりだまにあげる(yaridamaniageru) 【槍玉に挙げる ·槍玉にあげる ·槍玉に上げる】

(exp, v1, vt) to make an example of; to make a victim of; to hold up somebody (something) to ridicule; to single out someone for criticism

やりだまにあがる(yaridamaniagaru) 【槍玉に挙がる ·槍玉にあがる ·槍玉に上がる】

(exp, v5r, vi) to be made an example of; to be made a victim of; to be exposed to ridicule