Have the blahs and Low-down

Low-down and have the blahs are semantically related. In some cases you can use "Low-down" instead an adjective phrase "Have the blahs".

Low-down adjective - Not following or in accordance with standards of honor and decency.

Have the blahs and low-down are semantically related. Sometimes you can use "Have the blahs" instead an adjective phrase "Low-down".