YOU SAID:

i went to a party last night and got railed by the host's grandpa

INTO JAPANESE

私は昨夜パーティーに行って、ホストのおじいちゃんに手すりをされた

BACK INTO ENGLISH

I went to the party last night and was handrailed by the host's grandfather

INTO JAPANESE

昨夜パーティーに行って、ホストのおじいちゃんに手すりをされた

BACK INTO ENGLISH

I went to a party last night, and my grandfather gave me a handrail.

INTO JAPANESE

昨夜パーティーに行って、祖父が手すりをくれた。

BACK INTO ENGLISH

My grandfather gave me a handrail when I went to the party last night.

INTO JAPANESE

私の祖父は昨夜パーティーに行ったとき私に手すりをくれた。

BACK INTO ENGLISH

My grandfather gave me a handrail when he went to the party last night.

INTO JAPANESE

私の祖父は昨夜パーティーに行ったとき私に手すりをくれた。

BACK INTO ENGLISH

My grandfather gave me a handrail when he went to the party last night.