Guys - this video should serve as a warning. Be careful where those wandering eyes go! 

http://youtu.be/wngsO-Z4n7A

A guy recorded the ultimate prank on his fellow bros. These guys got quite the surprise when they were checking out some yoga pants.

Check out their hilarious reaction below and gents, make sure you check out the rest of the person that butt in yoga pants is attached to because you never know!