The act of getting "dirty" in the morning via sexual activity, not showering, and fulfilling the subsequent desire for breakfast afterwards; usually late in the morning due to morning activities.
"Got plans tomorrow, darling?"
"Nothing in particular."
"Perfect, want to dirty brunch?"
"Oh, you dog--you know I do..."
"How was your morning?"
"It was swell, the Mrs. and I went dirty brunching and picked up a couple items at Lowes."
When finance content creators rent out fancy cars and flexcash to seem richer than they really are in order to promote and sell their “get rich quick” courses.
The use of the word "blue" to refer to sexually explicit content was first recorded in Scotland in 1824. "Blue" meant "lewd" because prostitutes dressed in blue gowns.