Just as a male is about to ejaculate, he puts an item into his urethral opening to prevent ejaculation from occurring.
"Bob was about to cum, when his mom entered his room, and he had to do a cork stopper."
by Supaphly October 27, 2013
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.