If ye don't, I'll wallop ye in your sleep.
"The White Gauntlet"
Mayne Reid
The Adventurer lifted him and felt his bones, himself half stunned and bleeding, for he had been flung heavily from unpractised balance, as suddenly the boat lurched and careened in the wallop of the sea.
"The Unknown Sea"
Clemence Housman
It give a great screech, and a wallop in the face of me, and jumped into the loch, and by milkin'-time next morning-a Thursday it was-ma sister Maggie came into the door cryin', 'Och and och, ma poor man, and him so kind and so young,' and fell on the floor as stiff as a board.
"Olivia in India"
O. Douglas