Top Definition
The removal of a thick layer of knobcheese from one's helmet.
I hadn't washed my bellend for weeks, but luckily there was time for a quick smegmectomy in the sink before Janet came round.
by RavyDavy March 31, 2006
6 Words related to smegmectomy

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.

×