Simple Harmonic Motion being definition of any object in equilibrium that moves in a sinusodal wave manner across a point of equalibrium (shown by the equation X = Xo+A*Sin(wt). Analogous to male masturbation, because of its repetitive, sinusodal wave manner of movement.
Dude, he knows all about the SHM...
Shower, Hair, Makeup. Originates from juicystar07 a youtube guru.
SHM then filming a haul video!
Abbreviated version of Seen Better, Had Worse, Made a Mess For Less (seenahaddamayda)
u see a plain girl walkin down the street and you KNOW you have been with better and been with worse, instead of the full words, just say SHM!!!!
"Shower, hair, makeup" From juicystar07 or Blair Fowler!
Going to film a video, SHM
A Sexy Hairy Monster!
A guy that's covered in hair, but is fantastic in the sack.
Does not refer to guys that like guys. Those are Bears.
A SHM is a nice guy that has hair everywhere, and is skilled at giving Ladies pleasure beyond their wildest dreams.
Abbreviation for "shaking my head."
I tried so hard on that test and I only got a C.. shm.