jam busters
Jelly-filled doughnuts
I'll bring the doughnuts in the morning, but there won't be any jam busters! Last time we had them there was jelly left on everything!
Jam buster
Adjusting one's cock to make a hardon more comfortable. Usually neccessary as the result of a log jam caused by erotic sights such as up skirt or down blouse viewing. The discomfort of the log jam may force a jam buster in public, in which case it has to be done as fast and as discretly as possible.
I got so darn hard at work the other day looking up this girls skirt, I just had to do a "jam buster" to let my cock stand up. I looked around to see if anyone was looking, then as quickly as possible, I put my hand down the front of my jeans and freed my cock.