godan verb (-su), transitive verb
Rare synonym of 突き出す (sense 1); used for physically pushing or thrusting something outward.
See also: 突き出す
彼は窓から顔を突ん出した。
He stuck his face out the window.
Common synonym; 突ん出す is a rare variant with the same meaning.
Rare variant of 突き出す (つきだす), with the き replaced by ん for emphasis or phonetic change. The exact derivation is uncertain.