ichidan verb, transitive verb
say and leave; say over one's shoulder; toss off a remark
Used when someone says something casually or abruptly and then leaves or moves on, often without expecting a reply. Conveys a sense of offhandedness.
彼は「じゃあね」と言い捨てて部屋を出ていった。
He tossed off a 'see ya' and left the room.
文句を言い捨
He just said his complaints and quickly went home.