Adverb
Fully; roundly; plainly; without reserve.
Source: Webster's dictionaryHer wrinkled cleavage always shifted plumply in her polyester uniform and there was that hot pouring sound. Source: Internet
Have you ever seen garbanzo beans (otherwise known as ceci beans, or chickpeas) that weren’t either sitting plumply in a can or dried out like so many wizened little heads? Source: Internet