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1.
Informal name for a feminist, particularly a feminist of misandrous (hatred of men) and extreme views.
Man: Hey, look at that Fembo over there!
Female: All men deserve to die because...
by Spoofnet February 06, 2006
 
2.
When a lesbian is more feminine but can be dominating at times but prefers to dress girly.
"That girls a fembo but she's cute"
Or "Your such a fembo"
"That girls a fembo but she's cute"
Or "Your such a fembo"
by Youlocalgenius March 20, 2014