silly pill

humorous

(humorous) A hypothetical pill that makes those who take it silly.

Japanese Meaning

（ユーモラスな表現で）服用すると馬鹿げた、あるいはおかしな行動を引き起こすとされる仮想の薬

At the costume party, Mark pretended he had taken a silly pill and spent the night telling goofy jokes.

仮装パーティーで、マークはばかになる薬を飲んだふりをして、一晩中おどけた冗談を言って過ごした。

Sense（1）

(humorous) A hypothetical pill that makes those who take it silly.

You're all wound up today! Who gave you the silly pill?

silly pills

（ plural ）