[loo] n [short for obs. E lanterloo, fr. F lanturelu twaddle] (1675) 1: an old card game in which the winner of each trick or a majority of tricks takes a portion of the pool while losing players are obligated to contribute to the next pool
2: money staked at loo
[2]loo vt (1680): to obligate to contribute to a new pool at loo for failing to win a trick [3]loo n [origin unknown] (1940) chiefly Brit: toilet 3