when a person is fingering two females at the same time, which is a lot like looking for clams.
I went was clam digging Mary and Sally at the party yesterday.
by chris52190 October 02, 2007
A gay or lesbian pick-up at one's family reunion.
Did you hear about Sophie? She met her second cousin Laura last month, and now they're together. I can't believe that clamdigging bitch!
by Sentrus February 26, 2011