1 definition by SlickShitty

Top Definition
To royally fuck something up, usually making a huge mess in the process. The act of "Nelgas"ing is usually followed by the word "what" or "probably".
Boy, you really Nelgased that dinner.
Reponse: "what", "probably"
by SlickShitty November 14, 2006
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.