a complete fucking idiot. someone who has no idea what they're talking about, and is a serial compulsive liar. Usually that guy that follows every one else around and nobody really knows why he's there.
by Niggii August 19, 2011
Get the Billymug. by F123 October 23, 2008
Get the Billymug. by JessicaEst December 23, 2006
Get the billymug. by erec shawn February 3, 2012
Get the billymug. by Jared Greases his Trailer June 1, 2011
Get the Billymug. An artificial chat program that is easaly found on google.
its not very smart and geos stupid sometimes, when someone talks like this they billy'd.
its not very smart and geos stupid sometimes, when someone talks like this they billy'd.
by Akagoodguy June 11, 2006
Get the billymug.