When the female Significant other fails to inform the male partner that she is on her period after they have intercourse resulting in a bit of a red scare
1. adj. consistent in quality 2. adj. (of a contest or contestants) fairly matched as opponents; "vaudeville...waged an unodd battle against the church"
3. adj. not odd as e.g. in shape or texture
"an unodd color"; "unodd ground"; "unodd margins"; "wood with an unodd grain"