Based on the Yiddish version, bobkes to mean nothing, absolutely nothing at all. 2.) Tiny shit balls, specifically like the fecal droppings of a goat. Bupkis mit kaduchas, means "shivering shit balls."
1936 The Three Stooges - Ants In The Pantry S3E1
Nickname for a female. "Look here toots..." Is what they use to say to belittle the ladies. Based on the 1850s term, "tootsie" and "tootsy wootsy". The irony is there are more men who employ that moniker than woman!