Sex can be confusing. There are a number of puzzle pieces to contend with, and you're left to cobble them all together in attempt to make something great in the dark. Sometimes it really works, and other times, it's just an awkward, sweaty smashing of bodies.
If you're experiencing the latter, Urban Dictionary might be to blame. A perusal through the online resource reveals some people are confused about how sex works. What goes where, and when, and WHAT IS THAT APPENDAGE CALLED? If you consult Urban DIctionary, you may never know. Leave your carnal knowledge at the door: this is Sex, According to Urban DIctionary.