To have kinky sex. Sex using a lot of spanking. Domination.
Moesha could hardly walk after I gave her a spankfest last night.
by pkjones_homie April 09, 2003
Masturbating all day. Spanking the monkey multiple times the same day.
Wilber's wife and kids left the house for the day so he ordered porn and engaged in an all day Spank Fest..
by jizmaster2000 January 29, 2011