What Could Be Small Brown Pea Shaped Thing Struck At The Tip Of Penis ?

Hi, i tried to urinate this morning but there was a blockage in the shaft of my penis.....so i squeezed the underside of my penis to try and help the flow of urine come out when a small brown coloured,hard pea shaped ball came up the tube and got stuck half in half out of the hole at the tip of the penis....i removed it with tweasers. I haven t had any problems with discharge or blood before so could you possibly help with information as to what this small brown shaped ball was? Thank you so much. Kind regards..andy.