look up any word, like dirty sanchez:
 
4.
A silly bitch is someone who thinks they are funny, knows they are funny, and everyone else knows they are funny.
Dane cook is a silly bitch
by Brad the Silly Bitch September 02, 2006
 
1.
Someone whose weapons cannot harm the Juggernaut.
"Silly bitch, yo weapons cannot harm me, don't you know who the fuck i am? I'M THE JUGGERNAUT!"
by Intelligent sir August 07, 2009
 
2.
Someone who is both silly and a bitch
Steph is a Silly Bitch
by Bonichetti April 02, 2008
 
3.
1. Someone, typically a female, who gets irrationally annoyed at things.
2. Someone, typically a female, who does something completely stupid.
1. "And then she just started being a sillybitch, I didn't know what to do"
2. Oh, you absolute sillybitch!
by JamesDonald March 12, 2013