Green’s Dictionary of Slang

1. a Slav immigrant f. Eastern Europe.

1931–3

in DARE.

2. an oafish, dull, if muscular person.

1912		Ade Knocking the Neighbors 203: He is a prize Bunk, a two-handed Grafter, a Short-Change Artist and a Broadway Wolf.
1920		H.C. Witwer Kid Scanlon 33: He’sa wan greata big what you call bunk! He’sa no good! He can’t act, he can do nothing.