Fly Beeper

Haruka (pointing at Jen): Psst look her fly is down.
Aiko: Oh my gosh.
Jen: What's up guys?
Haruka: What's down, Jen?
Aiko: Your fly.
Jen: Ahhhhh! (spazes, all freeze)
Announcer: Has this ever happened to you? You are having a wonderful day, when unexpectedly out of the blue your friends find your fly down. How embarrassing! Well, hide your head no longer. You can permanently avoid this dreadful social embarrassment with the new Gemco Super Fly Beeper. Watch now as Jen walks confidently with her friends using the Gemco Super Fly Beeper.
Jen: What's up guys? (beep beep) Oh my, excuse me (big smile to audience) my fly's down. (zips up)
Announcer: That's the Gemco Super Fly Beeper, you'll never be embarrassed again. Batteries not included.