The definition of lesbo is an offensive term for a lesbian (a woman who is sexually attracted to other women).
When you want to insult a woman who is in a loving sexual relationship with another woman, this is an example of a when you might call her a lesbo.
Used as a disparaging term for a lesbian.
Origin of lesbo
- lesb(ian) –o
From American Heritage Dictionary of the English Language, 5th Edition
- From lesb(ian) +"Ž -o.