Today's new word is whoseval.

Today's new word is whoseval.
whos·e·val (hooz ee val)
 v whos·e·val·ing, whos·e·val·ed
 noun whos·e·val·er

  1. Evaluating who will be attending an event before deciding if you will attend. Commonly preceded by the phrase "who's all going?".
  2. One who inquires about other attendees before deciding if he/she will attend themselves.

Sample usage

  • Tom is such a whosevaler, he always has to know who's coming before he decides.

  • Hold up, Tom is whosevaling before he decides if he's gonna come along.