slang for "penis," 1939 (in James Joyce), according to OED and DAS from pudding (q.v.) in the same slang sense (1719), an extended use from the original "sausage" meaning of that word.
"hand, paw, fist," 1650s, "a nursery word," according to OED. It has been compared to Dutch poot "paw;" see paw (n.).
updated on January 22, 2021