A person(typically female) who shys away from any sort of confrontation. Typically, this person will not stand up for themselves or anything else. Opposite of bold, brash, or confident.
Going shopping after having a cocktail (or two, or three); shopping while drunk. Generally most noticeable the next day when you realize what you (probably shouldn't have) bought.
(At the checkstand) Wow, look at my cart - - I'm totally shrunking!
What was I thinking, buying that outfit yesterday? I must have been really shrunking!