i have a large bump on the shaft of my penis. it is skin color but also looks like there is white fluid inside. i do masterbate quite often and when i first discovered this i squeezed it and white sticky fluid came out. it is sore to the touch. any information would be greatly appreciated

http://www.askmehelpdesk.com/mens-health/bump-pimple-penis-19681.html

i dont believe its a pimple though it its quite large like the width of maybe a dime

i have a picture on here but not sure how to post it or even if i am allowed