from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A card game for 2 players using 40 cards that is an early version of rummy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An early form of the card game rummy
from the GNU version of the Collaborative International Dictionary of English
- n. A game of cards derived from conquian, played by two or more players with one or two full packs of cards.
from The Century Dictionary and Cyclopedia
- n. See conquien.
In the "C" section, meanwhile, the triumvirate "cancan / Cancun / cooncan" appears as one entry.
There, he found that cooncan is a card game played around the world (probably also in Cancun), that the derivation of the city named Cancun is uncertain but has something to do with snakes, and that a Google search of "cancan + no panties" returns no results.