When you ejaculate and a stream of cum flows down all four of your fingers while your hand is on your dick. Therefore giving off the appearance of of having rings of cum.
by Technomancer<3 May 28, 2015
The glob of cum that tends to land on the top of your index finger while ejaculating during masturbation.
by KrazyKU October 18, 2008
White ring formed around a person's mouth similar to a clown (Bobo) from the type of chap stick made for 80s lifeguards. Tends to leave white, visible residue similar to those seen after the climax in clown porn scenes.
by The Widge February 11, 2010