1. an ejaculatory utterance to express exuberance.
2. boisterous convivial fun, e.g. sexual play
or relations, used frequently when old people fuck
3. a named cushion that makes a sound like a fart
when sat upon.
4. the base unit of stink olfaction. One whoopi is roughly equal to 300 times the smell of dead skunk, or 183 hobo units. Likened to old wet hairy burning ass, it has been described as the smell of Whoopi Goldberg
herself on a humid August day.