Nickname given to the U.S.Bankcorp building in Portland, Oregon. It is the tallest building in Portland and is covered in mirrored pink windows, hence easily lending itself to namecalling with phallic overtones.
A woman that has, through childbirth, or other extreme streching of vaginal muscles, widened her passage to the point that an ordinary, properly inserted tampon will not stay in place.
"After the baby was born, I coudn't even keep a tampon in my Big Pink Bucket Puss! My husband said that making love to me was like throwing a hotdog down a hallway!"
usually frequents the local Montgomery Ward in search of elastic wasted pants. she could very well be your arrogant, obese mother in florida who has only 3 months to live until her heart, and her ankles give out completely.