naserusly 

The short and mispronounced version of "No, Seriously".
Pronounced (Nuh-sear-us-lee)
1. Commonly used at a replacement for as conversation filler.
2. Also doubles a beginning or finishing statement for any sentence.

Eg 1. So, how was last nights party? - LAME - Yeah Right! - Naserusly!
Eg 2. That party was awesome last night! Naserusly
or Naserusly, That party was awesome last night!

naserusly by Guy Pierce October 18, 2007