During sexual intercourse, when traditionally the male smacks the female's posterior for added enjoyment.
Person 1: Did you have a good time on Saturday evening?
Person 2: Yeah, we went to the opera.
Person 1: That all?
Person 2: No, we went back to my hive and had a little smackfest.
by Busy Bee October 16, 2006
Get the Smackfest mug.