Whatnot means assorted other things not worth naming separately. And whatnot, papers and whatnot, all that whatnot.
It appears at the end of a list, doing the same job as et cetera but sounding casual rather than formal. The older sense is a piece of furniture: a stand of open shelves for ornaments, which was called a whatnot because it held anything.
1nounwhatnotAssorted other things not worth naming separately.
“The kitchen drawer was full of old keys, batteries, string and whatnot.”
whatnot is an assortment.
Also accepted in games: sundries
From what + not.
Etymology from Wiktionary, CC BY-SA