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.
, pl. -·bos·
Slang lesbian: a term of contempt
Used as a disparaging term for a lesbian.
Origin of lesbolesb(ian) + –o.
- (colloquial) Lesbian.
From lesb(ian) +"Ž -o.