Top Definition
Covert way of referring to an IUD (intrauterine device), a highly effective form of birth control which is inserted in the woman's uterus and prevents pregnancy for up to 12 years.
Since Shelly got a reverse DUI, she has not spent a single moment worrying about unplanned pregnancy.
by Shelly's man May 15, 2010

Free Daily Email

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

Emails are sent from We'll never spam you.