1. Anyone who slays a lot of girls.
2. Anyone's actions pertaining to the lifestyle of Predog.
3. Mike Predog
4. Someone who has rough rawdoggingone night stands with a girl and then wifes her up the next morning.
A word used in Northern Ireland. A hydrid of 'slapper' and 'dog', commonly used to describe a sexually promiscuous but unattractive female. Think fat girl in a mini skirt who presumes her self esteem will rise with the amount of men she sleeps with.