1 definition by TheExxxpert

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

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