Oh, brother. Just when you thought you've heard it all...YOU HAVEN'T.

Well, maybe now you have. A Florida teenage boy was caught "horsing around" with a stuffed horse in a Brooksville Walmart.

After doing his unmentionables, he proceeded to exit the store and was immediately apprehended across the street. The look on the face of this doofus - as seen in his mugshot - is priceless...you can just FEEL the ridicule he's gonna get!

To see his mugshot - and to read more about this MENSA candidate - CLICK HERE.

Holy crap.