An alert Transportation Security Administration screener at Newark Airport found a “bullet’’ in a passenger’s luggage — but not the kind that a terrorist might carry.

Passenger Jill Filipovic told New York magazine that it was a “$15 bullet vibe . . . about the most basic sex toy you can imagine.’’

And, she said, he left her a note on the back of a TSA notice that read, “Get your freak on, girl.’’

She said she found the “wildly inappropriate’’ note when she got to Dublin on Sunday.

A TSA spokesman told Fox News there’s no evidence one of its agents left the note.