twenty-nine noun ▶ she’s a twenty-nine this morning usually of a wife, very angry or upset CANADA
In Pubnico, “she’s a twenty-nine this morning” means “she’s in a bad mood.” The term makes a metaphor of “29,” a very low reading on a falling barometer, a prediction of stormy weather. — Lewis Poteet, oralcitationfromTheSouthShorePhraseBook, p. 119, 1999