A commemorative or identifying inscribed tablet listing the names of women's bootys one has enjoyed.
Yo, see that fine honey, the one that's stacked? I just rubbed her booty, her name goes on my booty plaque.
by Baller and Player May 14, 2008
The thick film that forms upon one's ass (usually of a clear color). If not removed regularly, it can lead to dirty underwear and foul smell.
by Big Black Booty Plaque January 23, 2008