This is the 8514th most frequent Japanese word.
投げ込ん
"投げ込ん" means "to throw in" or "to toss into."
'投げ込んだ' implies inserting or forcefully placing by throwing into a container (e.g., a box).
その手紙を包装箱に投げ込んだ。
I threw the letter into the packaging box.
'投げ込んだ' represents a figurative use meaning to discard something forcibly into an element (e.g., fire, representing a loss of hope).
彼らは希望を火の中に投げ込んだ。
They threw their hopes into the fire.
'投げ込んだ' denotes an action of throwing something into or through a specific area (e.g., through a window).