Top Definition
The dirtiest of dirty. such an unspeakable, disgusting sex act that it's even too dirty to describe on urban dictionary. Imagine a Cleveland steamer combined with a Pasadena mudslide with a donkey punch to finish it off...its worse than THAT!
dude, I totally did the niebergall with your mom last night.
by TheExxxpert October 27, 2009
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.