.The scene in SON OF FRANKENSTEIN (1939) when Ygor (Bela) is in the court room and coughs and spits on one of the village officials, and says " Sorry! I got bone stuck in my throat!", pointing at his broken neck.
. In PSYCHO, when Norman is sitting with Marion in the parlor, and eating sandwhiches, and when asked why he doesn't put his Mother "someplace" almost looses it.