fenslut Share definition Flag A fenslut is a name for a New Zealander who goes through massive swings of being a slut to being dry like a desert. Man last week he slept with seven people, this week it's zero! He's such a fenslut fenslut by Calg89 April 5, 2019 0 0 Get merch Get the fenslut mug. Buy Now — $32.95 See more merch