The act of a female not trimming her vaginal area thus growing a trail of hair from her rear end to her vagina. Much as a Uni-Brow is to unkept eyebrows.
Man I was with this chic for the first time last night and wanted to show off my swirl skills but when i got down there she had the full Uni-Beaver going on.
by Master-Linguist March 13, 2009