Green’s Dictionary of Slang

bumble-puppy n.

[SE bumble-puppy, an early form of bagatelle, usu. played in public houses, in which stone balls are rolled down a sloping board, which is pierced with numbered holes. This is based on an older 16C game, usu. played by women, troule-in-madame or troll-madam]

[mid-19C+] amateurish whist, and latterly bridge, the level typically played in family or friendly games.