Top Definition
Someone who is silly and semi hilarous.
Dan smith is sort of a silly bo billy.
by mitchD December 04, 2003
Acting loud, drunk and being idiotic
Bo Billy is a Silly Bo Billy, that fuck.
by Bobmski23 October 20, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.