Bum shorts. These shorts come with an extra "bare behind" that you can wear under a skirt. Lift your skirt, and voila! People will definitely look your way. Bum shorts can also be worn alone if you're feeling extra brave. They will definitely be loved by your best friend or by your aging uncle.

Fake security camera. This is the perfect gag gift for your security freak boss. Tell him to hang it in his living room to scare off would-be thieves. Or better yet, tell him to hang it in his comfort room so he can play jokes on his guests!   More detail...