アナルプラグ

noun

butt plug; anal plug

A sex toy designed for anal insertion. The term is a direct loan from English and is used in adult contexts.

• アナルプラグは初しょ心しん者しゃ向むけの小ちいさいサイズから選えらぶといい。

  It's good to choose a butt plug starting from a small size for beginners.