What is Like It Ain't No Thursday?
1.
An expression to show that what one has done or will do requires qualification because of it's extraordinary characteristics.
"I hit that shit like it ain't no Thursday!" exclaimed James as he walked away from the slot machine with his winnings.
Disgusted with his co-worker's lack of respect, Nick threatened, "Boy, I'm gonna kick yo ass like it ain't no Thursday."
See