Origin of slap dashing
First recorded in 1810–20
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for slap dashing
So he goes on slap-dashing about, shuttle-cocking back every new delivery, saying "Pish!"
And he was proud as a boy of the simple bit of slap-dashing, and entirely absorbed in it and the pork-pie.