pot-luck

noun

1. 1

   A meal, especially one offered to a guest, consisting of whatever food is available.

   “Here are some leftover beans and meat; we can make a good potluck stew from them.”

2. 2

   (by extension) Whatever is available in a particular situation.

3. 3

   (originally Canada) A shared meal consisting of whatever guests have brought (sometimes without prior arrangement); a potlatch; also, a dish of food brought to such a meal.

4. 4

   The last draft or portion of an alcoholic beverage in a pot or other drinking vessel.