When another person of any gender gets in the way of a woman's attempt to initiate sexual contact with another woman. This can be by distractions or their own sexual flirtations.
Dude, I was at the bar with Sheila and she totally started Beaver Damming me for that ginger chick in the corner! I won in the end though- who's the beaver dam now!!
de Spunky love 15 décembre 2010