ichidan verb, transitive verb
send unsolicited; send without request
Used when sending something the recipient did not ask for, often with a negative or pushy nuance. Common with mail, messages, or promotional items.
迷惑メールを送りつけられた。
I was sent spam mail unsolicited.
彼は一方的に商品を送りつけてきた。
He sent me the product without my asking.