YOU SAID:

my hair just got blown off

INTO JAPANESE

私の髪はちょうど吹かれた

BACK INTO ENGLISH

My hair just blew

INTO JAPANESE

ちょうど私の髪を吹いた

BACK INTO ENGLISH

I just blew my hair.

INTO JAPANESE

私は髪を吹き飛ばした。

BACK INTO ENGLISH

I blew my hair off.

INTO JAPANESE

私は髪を吹き飛ばした。

BACK INTO ENGLISH

I blew my hair off.