How To Use Blue funk In A Sentence

I was in a blue funk by this time. FIGHTER BOYS: Saving Britain 1940
I may even get better at answering mails straight away rather than letting them mount up until I drop into a blue funk about the backlog.
For example, I can say, Sushila has been in such a blue funk that she refuses to even step out of the house.
I like words and although I have no idea where it came from, ‘blue funk’ seems an apposite description of not only how I have felt but also how I have been.
I was in a blue funk by this time. FIGHTER BOYS: Saving Britain 1940

Blue Funk's new hit has had good ratings in the charts.
I was asked the other day during an interview what I do personally when I get into a blue funk.
Blue funk time, which was in charming colour contrast to Kagg's bursting nose capillaries. CORMORANT
I was in a blue funk by this time. FIGHTER BOYS: Saving Britain 1940