The act of dredging involves perving over a young or youthful looking female. It is becoming commonly used in everyday language as a term for sexual intercourse.
A person who is known to partake in the act of dredging is known as a Dredger.
The origin of the name comes from illustrious Dredger - Derek Dredge.
Drew was dredging that girl last night.
Drew you are such a dredger.