YOU SAID:

that makes my belly button tickle

INTO JAPANESE

それは私の腹のボタンをくすぐす

BACK INTO ENGLISH

It is my belly button Tickle impetus

INTO JAPANESE

それは私の腹ボタンをくすぐる弾みです。

BACK INTO ENGLISH

That is the boost Tickle my belly button.

INTO JAPANESE

それは私の腹ボタンをくすぐるブーストです。

BACK INTO ENGLISH

That is the boost Tickle my belly button.