look up any word, like cleveland steamer:
 
1.
A small piece of something indistinguishable. This could be fluff, liquid, powder... anything, so long as you can't tell what it originally was.
"I cleaned the flat and hoovered up a load of errg from behind the sofa."
by ME December 18, 2007
 
2.
to "wack it" or tuch one's self usually used in code
guy:hey did you go errg
girl:no my mom came downstairs
guy:oh well i errged for a long time in the showa
by t_pimp June 08, 2007