1. A desirable woman, based on the standard sense of the word, a soft bread that resembles a muffin.
2. A woman regarded as a sex partner or sex object; hence, one regarded as sexually available. See playgirl for synonyms.
3. The female genitals. See vagina for synonyms.
4. Or: (have) a bit of crumpet , sexual intercourse. See copulation for synonyms.