Uncleing Share definition Flag Uncleing is a verb used to describe the snagging actions of an older Indigenous male who is not an actual blood relative or uncle per say but is known for his lady's man qualities. Hey weenug did you see that guy at the powwow??? He was just Uncleing real hard. Uncleing by Weentiko February 25, 2021 0 0 Get merch Get the Uncleing mug. Buy Now — $32.95 See more merch