First cum, first served

While you were busy thinking and fantasizing on just how much cum you'd be getting, you heard footsteps in the next cubicle to your left. Footsteps, followed by the sound of pants unzipped and the light thud of it hitting the floor. You anxiously wait for a few more, and sure enough, through the hole comes a thick brown dick, one just like those on the porn videos you've been watching to get pointers from. Well not exactly.... This one isnt hard yet, and you know just what you gotta do...